Education
Professional Experience
Achievements
Awards & Honours
Emeritus Scientist (CSIR) 2010-2013
Third World Academy of Science (TWAS) awards scheme grant holder from Italian Government and visited University of Florence for one year in 1987.
Fulbright Fellowship award of USA, visited University of Illinois at UrbanaChampaign under this in 1996.
Research Paper/Articles Published
Atomic force microscope manipulation of multiwalled and single walled carbon nanotubes with reflux and ultrasonic treatments.

Journal: Appl. Nanosci. 2014;4(1):19–26.

DFT study of optical properties of pure and doped Graphene.

Journal: Phys. E Low-dimensional Syst. Nanostructures. 2014;62:28–35.

MRS

Journal: Proc. 2014;1701:mrss14–1701.

Ab initio studies of structural, elastic and thermal properties of copper indium dichalcogenides (CuInX< sub> 2: X= S, Se, Te).

Journal: Comput. Mater. Sci. 2014;86:108–117.

Ab initio studies of structural, electronic, optical, elastic and thermal properties of Ag-chalcopyrites (AgAlX< sub> 2: X= S, Se).

Journal: Mater. Sci. Semicond. Process. 2014;26:187–198.

Ab initio studies of structural, electronic, optical, elastic and thermal properties of silver gallium dichalcogenides (AgGa< i> X< sub> 2:< i> X= S, Se, Te).

Journal: Mater. Res. Bull. 2014;53:218–233.

First principles studies of structural, electronic, optical, elastic and thermal properties of Ag-chalcopyrites (AgInX< sub> 2: X= S, Se).

Journal: Phys. B Condens. Matter. 2014;438:97–108.

Carbon Nanotubes Production Using Arc Ignition Under Magnetic Field.

Journal: arXiv Prepr. arXiv1308.5819. 2013.

Adsorption configurations of two nitrogen atoms on graphene.

Journal: In: SOLID STATE PHYSICS: Proceedings of the 58th DAE Solid State Physics Symposium 2013.Vol 1591.; 2014:450–452.

Interaction Of Nitrogen Molecule With Graphene.

Journal: In: Solid State Physics: Proceedings Of The 57Th Dae Solid State Physics Symposium 2012.Vol 1512.; 2013:300–301.

Interaction Of Two Nitrogen Molecules With Graphene. In: Proceeding Of International Conference On Recent Trends In Applied Physics And Material Science:

Journal: Ram 2013.Vol 1536.; 2013:363–364.

Stability And Electronic Properties Of Isomers Of B/N Co-Doped Graphene.

Journal: Appl. Nanosci. 2013:1–8.

Study Of B And N Doped Graphene By Varying Dopant Positions. In: Solid State Physics: Proceedings Of The 57Th Dae Solid State Physics Symposium 2012.

Journal: Vol 1512.; 2013:262–263.

Toluene Adsorption On Na-Graphene Interface-A Dft Study.

Journal: In: Proceeding Of International Conference On Recent Trends In Applied Physics And Material Science: Ram 2013.Vol 1536.; 2013:389– 390.

Structural, Electronic And Thermal Properties Of Znsix2 (X= P, As) Studied From First-Principles Theory.

Journal: In: Proceeding Of International Conference On Recent Trends In Applied Physics And Material Science: Ram 2013.Vol 1536.; 2013:423– 424.

Implicit Phonon Shifts And Thermodynamical Properties Of Rigid Carbon Nanotube Bunches.

Journal: Aip Adv. 2012;2(4):2192.

Implicit Phonon Shifts And Thermodynamical Properties Of Rigid Carbon Nanotube Ropes.

Journal: Arxiv Prepr. Arxiv1209.5536. 2012.

Three-stage structural modification of carbon nanotubes by swift heavy ion irradiation.

Journal: Nucl. Instruments Methods Phys. Res. Sect. B Beam Interact. with Mater. Atoms. 2012;285:30–36.

First principle investigation into structural growth and magnetic properties in Ge< sub> n Cr clusters for< i> n= 1--13. J.

Journal: Magn. Magn. Mater. 2012;324(18):2885–2893.

Structural and electronic properties of sulphur-doped boron nitride nanotubes.

Journal: Solid State Commun. 2012;152(9):802–805.

Fp-Lapw+ Lo Calculations For The Structural, Electronic, Optical And Mechanical Properties Of Znx (X= S, Se And Te). In: Solid State Physics: Proceedings Of The 56Th Dae Solid State Physics Symposium 2011.Vol 1447.; 2012:849–850.

Journal: In: Solid State Physics: Proceedings Of The 56Th Dae Solid State Physics Symposium 2011.Vol 1447.; 2012:849–850.

Dielectric Constants Of Zinc-Blende Semiconductors.

Journal: Phys. Scr. 2012;85(1):15705.

Elastic Properties Of Chalcopyrite Structured Solids.

Journal: Mater. Chem. Phys. 2012;132(2):416–420.

Inherent Properties Of Ternary Tetrahedral Semiconductors.

Journal: Int. J. Mod. Phys. B. 2012;26(15).

A first-principle investigation of boron- and nitrogen-doped heterofullerenes.

Journal: Int. J. Nanosci. 2011;10(1-2):29–33.

Transition metal induced magnetism in smaller fullerenes (Cn for n ≤ 36).

Journal: Nanoscale. 2011;3(1):217–224.

Substitutional Patterns in Boron Doped Heterofullerenes C60--nBn (n= 1--12).

Journal: J. Comput. Theor. Nanosci. 2011;8(4):642–655.

Structural Modification of Single Wall and Multiwalled Carbon Nanotubes under Carbon, Nickel and Gold Ion Beam Irradiation

Journal: In: International Conference On Advances In Condensed And Nano Materials (Icacnm-2011).Vol 1393.; 2011:67–68.

Structural, electronic and magnetic properties of Mn, Co, Ni in Ge n for (n=1-13).

Journal: Phys. B Condens. Matter. 2011.

Structural and magnetic properties of TMGen (TM=Mn,Co,Ni) for n=1-13.

Journal: In: AIP Conference Proceedings.Vol 1349.; 2011:1171–1172.

The role of N dopant in inducing ferromagnetism in (ZnO) n clusters (n= 1--16).

Journal: J. Phys. Condens. Matter. 2011;23(44):446006.

Structure And Stability Of Pure And Doped Lithium Clusters (Lin And Linx, N= 2--8, X= B, Al)—A Dft Study.

Journal: In: International Conference On Advances In Condensed And Nano Materials (Icacnm-2011).Vol 1393.; 2011:191–192.

Elastic constants of CaF2 at different temperature.

Journal: In: AIP Conference Proceedings.Vol 1349.; 2011:825–826.

First principles study on the elastic and electronic properties of CdX (X= S, Se and Te).

Journal: In: American Institute of Physics Conference Series.Vol 1393.; 2011:229–230.

ABX3-type Oxides and Halides: Their Structure and Physical Properties.

Journal: ChemInform. 2011;42(21):no.

Models for lattice thermal expansion and thermal conductivity for ternary (ANB2+NC2 7-N) tetrahedral semiconductors.

Journal: Mater. Chem. Phys. 2011;127(1-2):74–78.

Electronic And Mechanical Properties Of Znx (X= S, Se And Te)—An Ab Initio Study.

Journal: In: International Conference On Advances In Condensed And Nano Materials (Icacnm-2011).Vol 1393.; 2011:237–238.

Structural modifications of multiwalled carbon nanotubes by swift heavy ions irradiation.

Journal: J. Nano Res. 2010;10:1–9.

DFT study of Aln (1- 13) clusters encapsulated inside single walled carbon nanotubes.

Journal: J. Phys. Chem. C. 2010;114(44):18762–18772.

Damaged carbon nanotubes get healed by ion irradiation.

Journal: J. Appl. Phys. 2010;108(3).

Pressure induced transformations in condensed and molecular phases of C60.

Journal: Carbon N. Y. 2010;48(3):744–755.

Ab initio study of structural and electronic properties of AlnN (n = 1-22) clusters.

Journal: J. Comput. Theor. Nanosci. 2010;7(11):2297–2307.

Structure of polynitrogen clusters encapsulated in C60: A density functional study.

Journal: J. Phys. Chem. C. 2010;114(19):9153–9160.

Magnetism In Endohedral Metallofullerenes Tm@ Cn For N= 20, 28, 32, 36 Where Tm= Ti, V, Cr, Mn, Fe, Co, Ni And Cu: A Spin Polarized Density Functional Study.

Journal: In: International Conference On Advanced Nanomaterials And Nanotechnology (Icann-2009).Vol 1276.; 2010:432–435.

Cohesive energy of zincblende (AIIIBV and AIIBVI) structured solids.

Journal: Pramana. 2010;74(5):851–855.

Inherent properties of binary tetrahedral semiconductors.

Journal: Phys. B Condens. Matter. 2010;405(7):1737–1739.

Evaluating optical parameters from electronic structure and crystal structure for binary (ANB8-N) and ternary (A NB2+NC2 7-N) tetrahedral semiconductors.

Journal: Mod. Phys. Lett. B. 2010;24(24):2511–2524.

Electronic polarizability of compound semiconductors.

Journal: J. Comput. Methods Sci. Eng. 2010;10(3):615–620.

Characterizing single-walled carbon nanotubes by pressure probe.

Journal: Carbon N. Y. 2009;47(14):3247–3251.

Pressure effects on bond lengths and shape of zigzag single-walled carbon nanotubes. Comput.

Journal: Mater. Sci. 2009;44(4):1142–1149.

Structure of chiral single-walled carbon nanotubes under hydrostatic pressure.

Journal: Comput. Mater. Sci. 2009;46(2):297–302.

Nano Materials Of Carbon-Fullerenes And Nanotubes.

Journal: Bio-Nano-Geo Sci. Futur. Chall. 2009:29.

Behaviour of a bucky-ball under extreme internal and external pressures.

Journal: In: Shock Waves. Springer Berlin Heidelberg; 2009:1017–1022.

Structural, electronic, and vibrational properties of C 60-nNn (n = 1-12).

Journal: J. Phys. Chem. A. 2009;113(31):9002–9013.

Nitrogen clusters inside C60 cage and new nanoscale energetic materials.

Journal: arXiv Prepr. arXiv0908.3412. 2009.

Phonon dynamics and thermodynamical properties of alkali metal doped C 60 compounds.

Journal: Mod. Phys. Lett. B. 2009;23(20-21):2557–2571.

Lattice constant of cubic perovskites.

Journal: J. Alloys Compd. 2009;485(1-2):514–518.

Role of electron energy loss in modification of C60 thin films by swift heavy ions.

Journal: J. Appl. Phys. 2008;104(5).

Damage cross-sections in ion irradiated C 60.

Journal: In: Proceedings of the DAE solid state physics symposium. V. 53.; 2008.

Modeling and characterizing single-walled carbon nanotubes by pressure probe.

Journal: arXiv Prepr. arXiv0812.4799. 2008.

Applied Physics of Gases.

Journal: Oxyg. Ther. 2008:14.

Bond lengths of armchair single-waled carbon nanotubes and their pressure dependence.

Journal: Comput. Mater. Sci. 2008;44(1):156–162.

Dimerization and fusion of two C60 molecules.

Journal: Chem. Phys. 2008;344(1-2):176–184.

The formation of dimerized molecules of C60 and their solids.

Journal: Carbon N. Y. 2008;46(2):349–358.

Pressure and temperature induced dimerization in C 60 solid.

Journal: In: Proceedings of the DAE solid state physics symposium. V. 53.; 2008.

Immobilization of single walled carbon nanotubes on glass surface.

Journal: Mater. Lett. 2008;62(4-5):731–734.

Structure and elastic modulii of silicon nanotubes.

Journal: J. Nano Res. 2008;2:85–90.

Structure of armchair single-wall carbon nanotubes under hydrostatic pressure.

Journal: Phys. Rev. B - Condens. Matter Mater. Phys. 2007;76(19).

Mechanism of large area dislocation defect reduction in GaN layers on AlNSi (111) by substrate engineering.

Journal: J. Appl. Phys. 2007;102(2).

Behaviour of a Bucky-ball under Internal and External Pressures.

Journal: arXiv Prepr. arXiv0704.2504. 2007.

Multiplexing of fiber Bragg grating sensors for strain and temperature measurements.

Journal: Exp. Tech. 2007;31(3):54–56.

Elastic moduli of a boron nitride nanotube.

Journal: Nanotechnology. 2007;18(43).

Bond Lengths of Single-Walled Carbon Nanotubes.

Journal: arXiv Prepr. cond-mat/0611484. 2006.

Modeling Pressure Induced Structural Modification of Armchair Single-Wall Nanotubes.

Journal: arXiv Prepr. cond-mat/0610009. 2006.

Strains in axial and lateral directions in carbon nanotubes.

Journal: J. Comput. Theor. Nanosci. 2006;3(1):148–152.

Stability of different phases of (C60) 2 Structures.

Journal: arXiv Prepr. cond-mat/0610099. 2006

Carbon nanotubes dispersed by optical tweezers on silicon surface.

Journal: Azo Nano. 2006;2:1–10.

Binding of Carbon Nanotubes Dispersed by Optical Tweezer on Silicon Surface.

Journal: Image (IN). 2006;5:250.

Comparative study of alkali metal-doped C60 solids.

Journal: Phys. B Condens. Matter. 2006;371(2):232–240.

Lattice dynamics of MC60 compounds in FCC phase.

Journal: arXiv Prepr. cond-mat/0610008. 2006.

Au Ion Induced Modification of C60 Thin Film Samples (Ribbon Award Winner).

Journal: In: Materials for Space Applications.Vol 1.; 2005:431.

Elastic moduli of single-walled carbon nanotubes and their ropes.

Journal: Phys. Rev. B - Condens. Matter Mater. Phys. 2005;72(16):1–16.

Model for compression of fullerenes and carbon nanotubes.

Journal: Mol. Simul. 2005;31(12):807–810.

Refractive index and concentration sensing of solutions using mechanically induced long period grating pair.

Journal: Opt. Eng. 2005;44(9).

Bulk properties of alkali doped C60 solids.

Journal: Indian J. Pure Appl. Phys. 2005;43(9):654–659.

Cohesive energy of potassium doped C60 solids.

Journal: Phys. B Condens. Matter. 2005;365(1-4):121–133.

Mechanically created long-period fiber gratings as sensitive bend sensors.

Journal: Opt. Eng. 2005;44(3):1–4.

Modification in Phonon Spectra of C6o Films on Swift O and Ni Ion Irradiation.

Journal: Phonons Condens. Mater. 2004:234.

Au Ion Induced Modification of C60 Thin Film Samples.

Journal: MRS Proc. 2004;851:NN9–7.

Structure and dynamics of carbon nanotubes in contact with graphite surface and other concentric nanotubes.

Journal: Int. J. Mod. Phys. B. 2004;18(7):1021–1041.

Model for Pressure Induced Deformations in Carbon Nanotube Materials.

Journal: arXiv Prepr. cond-mat/0409733. 2004.

Phonons in Solid Materials at High Temperature and Pressure.

Journal: Phonons Condens. Mater. 2004:305.

Substrate effect on structural modification of C60 induced by 110 MeV Ni ion. Nucl. Instruments Methods

Journal: Phys. Res. Sect. B Beam Interact. with Mater. Atoms. 2003;212(1-4):233–237.

Irradiation of swift heavy ions on thin films of C60 - A comparative study.

Journal: Radiat. Meas. 2003;36(1-6 SPEC.):737–740.

O and Ni ion induced structural modifications in C 60 films.

Journal: In: Proceedings of the DAE solid state physics symposium. V. 45.; 2003.

Model for Rigid Carbon Nanotube

Journal: Materials. Disord. Mater. 2003:183.

A Simple Model for Carbon Nano-ropes.

Journal: Disord. Mater. 2003:174.

Compression in Energetic Molecular Materials—Control Factors for Energy Release.

Journal: Disord. Mater. 2003:224.

Compressibility of Flexible Carbon Nanotube Bunches.

Journal: Solid State Phys. 2002;44:75.

New Solids of Carbon Clusters-Materials of Fullerenes and Nanotubes.

Journal: Phys. Part. Nucl. Mater. Recent Trends. 2002:171.

Structural properties of double-walled carbon nanotubes.

Journal: 9 th Foresight Conf. Mol. Nanotechnol. 2001.

Model for High Temperature Phase of C70 Solid.

Journal: arXiv Prepr. cond-mat/0103078. 2001.

Dynamics of a bunch of carbon nano-tubes.

Journal: Indian J. Eng. Mater. Sci. 2000;7(5-6):243–247.

Temperature and pressure effects on lattice properties of pure C-60 solid.

Journal: Int. J. Mod. Phys. B. 2000;14(1):51–69.

Theoretical Model Upper Limit on The Lattice Parameter of Doped C60 Solid.

Journal: arXiv Prepr. cond-mat/0005104. 2000.

Phonons in Pure C60 Solid Model Calculation at Negative Pressures.

Journal: Proc. Dae Solid State Phys. Symp. December 1999. 2000:409.

Research Articles-Temperature And Pressure Effects On Lattice Properties Of Pure C60 Solid.

Journal: Int. J. Mod. Phys. B. 2000;14(1):51–70.

Bulk and lattice properties for rigid carbon nanotubes materials.

Journal: arXiv Prepr. cond-mat/0008382. 2000.

Anisotropic compression in dimer C60 fullerene solid.

Journal: Int. J. Mod. Phys. B. 2000;14(24):2597–2607.

Orientational ordering and binding in alkali doped C60 solids.

Journal: Indian J. Eng. Mater. Sci. 2000;7(5-6):320–324.

Binding in Doped C60 Solids—Effect of Coulomb Correlation. Solid State Phys.

Journal: Proc. DAE Solid State Phys. Symp. 1999;41:335.

Structure of aldobiouronic acid from Acacia auriculiformis gum polysaccharide.

Journal: ACTA Cienc. INDICA Chem. 1999;25(3):59–61.

Orientation dependence of shock-induced heating in anharmonic molecular crystals.

Journal: J. Appl. Phys. 1998;83(10):5203–5211.

Impedance of goat eye lens at different DC voltages.

Journal: Med. Biol. Eng. Comput. 1998;36(5):604–607.

Plenary Session I-Session 3: Bioelectricity-Electrical Properties Of Cataractous Lens.

Journal: Crit. Rev. Biomed. Eng. 1998;26(5):310.

Impedance of a goat eye lens.

Journal: Med. Biol. Eng. Comput. 1997;35(4):348–353.

The effect of static magnetic field on electrical properties of lens.

Journal: Electromagn. Biol. Med. 1997;16(3):293–300.

Orientational phase transitions in C60 solid.

Journal: Mater. Sci. Forum. 1996;223-224:373–376.

Lattice parameter of pure C60 and its relationship to Tc of doped C60.

Journal: Mater. Sci. Forum. 1996;223-224:369–372.

An estimate of an upper limit of T c in doped C 60.

Journal: In: Proceedings of the DAE solid state physics symposium.

Electrical characterization of eye lens.

Journal: In: Southern Biomedical Engineering Conference - Proceedings.; 1996:342–343.

Suggestion of an upper limit on the T c of doped C 60 solid.

Journal: In: Proceedings of the DAE solid state physics symposium. V. 38C.; 1995.

Electrical properties of eye lens.

Journal: In: IEEE/ Engineering in Medicine and Biology Society Annual Conference.; 1995:3.1–3.2.

Orientational structure of C_6_0 solid.

Journal: In: Proceedings of the solid state physics symposium. Vol. 35C.; 1993.

Bulk and structure related properties in fullerenes.

Journal: In: Proceedings of the solid state physics symposium. Vol. 35C.; 1993.

Phonon self-energy to the fourth order: An application to an anharmonic diatomic linear lattice.

Journal: Phys. Rev. B. 1992;46(17):10693–10700.

A model for bulk and dynamical properties of solid C 60.

Journal: Int. J. Mod. Phys. B. 1992;6(23n24):3865–3869.

Self-energy of a hydrogenic atom near a metal surface.

Journal: Phys. Rev. B. 1992;46(11):7088–7095.

Calculation of thermal expansion and implicit phonon frequency shift in deuterated anthracene.

Journal: J. Phys. Condens. Matter. 1991;3(8):899– 907.

Existence of Two-Phonon Bound States in Deuterated Naphthalene.

Journal: Phys. status solidi. 1991;167(1):71–77.

Time-dependent smallangle neutron measurement of aligned micelles.

Journal: In: Trends in Colloid and Interface Science IV. Steinkopff; 1990:100–106.

Reinvestigation of two-phonon bound states in rare-gas crystals.

Journal: Phys. Rev. B. 1990;42(14):9185–9188.

Dynamic small-angle neutron scattering study of rodlike micelles in a surfactant solution.

Journal: J. Phys. Chem. 1990;94(7):3129–3138.

Phonon Dispersion In A Deuterated 2, 3-Dimethylnaphthalene Crystal At 123 K

Journal: Phonons’ 89 Proc. third Int. Conf. Phonon Phys. sixth Int. Conf. Phonon Scatt. Condens. Matter, Heidelberg, 21-25 August, 1989, Fed. Repub. Ger. 1990;1:43.

Structure of galactomannan, from Cassia laevigata seeds: methylation, periodate oxidation and smith degradation studies.

Journal: Cellul. Chem. Technol. 1990;24(4):435–459.

Fourth-order relaxation processes in crystalline CO2.

Journal: Phys. Rev. B. 1988;38(6):4259–4268.

Self-energy of a positronium atom near a metal surface.

Journal: Phys. Rev. B. 1988;37(18):10891–10894.

Forced expiratory flow in normal healthy north Indian adults (II).

Journal: Bull PGI. 1987;21:187–210.

Vital capacity and forced expiratory volume one second (FEV1) in normal healthy north Indian adults.

Journal: Bull PGI. 1987;21:179– 186.

Calculation Of Thermal Expansion And Phonon Frequency Shift In Deuterated Naphthalene.

Journal: Phys. Status Solidi Basic Res. 1986;133(1):89–99.

Prakash S. Electron Structure Of Interstitial Hydrogen In Α-Zr.

Journal: Pramana. 1986;26(2):143–150.

Polysaccharide From Nyctanthes-Arbortristis Linn-Seeds-Isolation, Purification And Preliminaryanalysis Of Polysaccharide.

Journal: J. Indian Chem. Soc. 1985;62(8):627–628.

Anharmonic lattice effects in molecular crystals. Kernforschungsanlage Rept.

Journal: Res. Results Solid State Nucl. Phys., 1980-1982 p 188- 200 (SEE N85-12696 03-76). 1984;1:188–200.

A calculation of the anharmonic phonon frequencies in solid deuterated naphthalene-d8.

Journal: J. Phys. C Solid State Phys. 1983;16(16):3061–3080.

Calculation Of Phonon Width And Phonon Displacement As Affected By Temperature In Naphthalin-D8.

Journal: In: Zeitschrift Fur Kristallographie.Vol 162.; 1983:123–124

Calculation of the phonon width and phonon shifts in naphthalene-d8.

Journal: Phys. B+C. 1983;120(1-3):314–316.

Galactomannan From Cassia-Javanica Seeds-Methylation And Periodate-Oxidation Studies. Indian J. Chem. Sect. B-Organic Chem.

Journal: Incl. Med. Chem. 1983;22(9):934–935.

Calculated Low Frequency Phonon Dispersion in Anthracene-d10.

Journal: Phys. status solidi. 1982;110(2):445–454.

Temperature dependence of the phonon frequencies in deuterated anthracene.

Journal: J. Phys. C Solid State Phys. 1982;15(36):7283–7294.

Some phonon shifts and widths in d8- naphthalene.

Journal: J. Phys. C Solid State Phys. 1982;15(32):6533–6544.

Eigenvectors of low frequency internal phonons in crystalline anthracene-d10.

Journal: Chem. Phys. 1981;57(3):407–414.

Phonon dispersion curves in the molecular crystals naphthalene and anthracene measured by inelastic neutron scattering.

Journal: Le J. Phys. Colloq. 1981;42(C6):6.

Frequency Spectrum of Velocity AutoCorrelation Function of Liquid Rubidium.

Journal: Prog. Theor. Phys. 1980;64(6):1893–1901.

Dynamics of Fermi liquids.

Journal: In: Proceedings of the nuclear physics and solid state physics symposium [held at] Madras, December 26- 30, 1979.; 1980.

Self-energy of phonons in an anharmonic crystal of order 4. III. Approximate numerical results for ionic crystals.

Journal: Phys. Rev. B. 1979;19(2):1230–1242.

Effect of anharmonicity on superconducting metal-hydrogen systems.

Journal: Phys. Rev. B. 1978;18(7):3271–3274.

Numerical estimate of the anharmonic contribution to thermal expansion and free energy to order λ4.

Journal: Phys. Rev. B. 1977;16(4):1756–1759.

Two-phonon bound states in rare-gas crystals.

Journal: Phys. Rev. B. 1977;15(2):1202–1206.

Memory-function approach to the excitation spectra of an electron liquid.

Journal: Phys. Rev. B. 1977;15(1):252–257.

Thermal expansion of sodium and potassium.

Journal: Phys. Rev. B. 1976;14(8):3704–3705.

Electron Correlation Effects on the Lattice Dynamics of Sodium and Potassium.

Journal: Can. J. Phys. 1975;53(16):1507–1512.

High-temperature heat capacity of an anharmonic crystal to order 4.

Journal: Phys. Rev. B. 1975;11(2):972–973.

Peak Expiratory Flow Rate In Healthy Adults.

Journal: Ind.J.Chest Dis. 1975;17(4):166–171.

Free energy of an anharmonic linear lattice.

Journal: Phys. Rev. B. 1975;11(4):1718–1720.

Self energy of optical phonons in ionic crystals.

Journal: In: Proceedings of the nuclear physics and solid state physics symposium, Bombay, December 27-31, 1974.; 1975.

Two phonon bound states.

Journal: In: Proceedings of the nuclear physics and solid state physics symposium, Bangalore, December 27-31, 1973. Vol. 16C. Solid state physics.; 1974.

Two-phonon excitations in an anharmonic crystal.

Journal: Lett. al Nuovo Cim. 1974;10(10):409–412.

Invited Lectures and Chairperson-ships
Delivered a Lecture

on C.V. Raman Memorial public lecture on National Science Day at SMVD University, Katra , organized by USIEF and Fulbright foundations. on 2009-02-28

Others
Recipient of Alexander von Humboldt fellowship (AvH) of Germany (4 times and visited Germany at universities of Bayreuth in 1980, Wuerzburg in 2005, Munich in 2009 and TU Berlin in 2012)
BMFT (Ministry of Germany for Research and Technology) research professor positions holder in Germany lasting over two years in 1980 and over one year in 1988
Visiting Fellow Jawahar Lal Nehru Centre, IISc, Bangalore (1993).
National Speaker under Theoretical Physics Seminar Circuit (TPSC) in the year 1993.
Deuscher Akademischer Austauschdienst Senior Visiting Scientist in1995.
Project Work
Professional Association