Poster Session 1 (MONDAY 08/01/2007)

 

 

P1/01

FLUORESCENCE QUENCHING OF 3-(2΄-BENZOTHIAZOLYL)-7-DIETHYLAMINO COUMARIN IN PRESENCE OF ACETONE

 

Amitansu Pattanaik, P D Sahare, Ranju Ranjan and Jyoti Mehera

 

 

P1/02

SPECTROSCOPY OF CONFINED ATOMIC SYSTEMS: EFFECT OF DENSE PLASMA

 

S. Bhattacharyya, A. N. Sil, and P. K. Mukherjee

 

 

P1/03

A TIME-OF-FLIGHT SPECTROMETER FOR THE INVESTIGATION OF ULTRAFAST ELECTRON DYNAMICS AT SOLID SURFACES

 

Dhananjay Nandi, Patrick S. Kirchmann, Panagiotis A. Loukakos, Rasmish Kumar, Martin Wolf and Uwe Bovensiepen

 

 

P1/04

NONLINEAR OPTICAL LIMITING PROPERTIES OF HALOGEN SUBSTITUTED CHALCONES

 

Poornesh P., Manjunath M.G., A.V.Adhikari and G.Umesh

 

 

P1/05

SOLVENT DEPENDENT RAMAN BANDWIDTH STUDIES IN CARBONYL CONTAINING MOLECULES

 

Th. Gomti Devi , Soma Datta  and K.Kumar ,

 

 

P1/06

HIGHLY CORRELATED CALCULATIONS OF STARK INDUCED E1 TRANSITIONS OF DOUBLY IONIZED THALLIUM

 

Gopal Dixit, Gagan Bihari Pradhan, P.C. Deshmukh and Sonjoy Majumder

 

 

P1/07

CALCULATED ENERGY LEVELS AND LIFETIMES IN Ca X

 

G. P. Gupta and A. Z. Msezane

 

 

P1/08

OBSERVATION OF QUANTUM BEATS IN THE CLEMENT’S BAND OF SO2

 

Himansu S. Biswal, Sanjay  Wategaonkar and S. V. K. Kumar

 

 

P1/09

PERMANENT SPECTRAL HOLE BURNING IN CuBr NANOCRYSTALS

 

I. G. Kim, K.W. Jang, S.Y. Ha and E.J. Cho

 

 

P1/10

STRUCTURE PROPERTIES OF TOXIC MOLECULES FeAsS, FeAsO3 AND FeAsO4

 

I. Bhattacharyya, N.C.Bera and A.K. Das

 

 

P1/11

FLUORESCENCE STUDIES OF SOME XANTHENE DYES IN POLYMERS

 

J. P. Bridhkoti and Sanjay Pant

 

 

P1/12

NEW BAND SYSTEM OF YBF MOLECULE IN THERMAL EMISSION

 

 K. N. Uttam, Renu Singh and Pavitra Tandon

 

 

P1/13

ANALYSIS OF THE TWELFTH SPECTRUM OF MOLYBDENUM: Mo XII

 

S. Khatoon, Shabbir Ahmad, S. M. Afzal and K. Rahimullah

 

 

P1/14

A DENSITY FUNCTIONAL (DFT) APPROACH TO STUDY THE STRUCTURE AND MOLECULAR PROPERTIES OF BERBERINE AND BERBERRUBINE MOLECULES

 

Lata Chauhan, A.N. Tripathi, P.P. Thankachan, S.K. Barthwal and Ritu Bartwal

 

 

P1/15

ELEMENTAL ANALYSIS OF BINARY ALLOYS USING COHERENT TO INCOHERENT INTENSITY RATIO OF 279 keV GAMMA RAYS

 

M. P. Singh, B.S. Sandhu and Bhajan Singh

 

 

P1/16

FT- Raman spectrum of biomolecule: 2-Thiouracil

 

M. A Palafox, Satendra Kumar, Rajive Lodhi, SP Ojha, I Kostova, and VK Rastogi

 

 

P1/17

Polarization Dependent Magneto Optical Resonances in the Rubidium Atomic Vapour

 

M. Ummal Momeen, G. Rangarajan and P. C. Deshmukh

 

 

P1/18

Estimation of path loss due to scattering and depolarization of light through dust particles in dielectric medium

 

Mukesh Kumar

 

 

P1/19

Spectroscopic properties of CuAr, CuAr+ and CuAr-: ab initio study

 

N. C. Bera, I. Bhattacharyya and A. K. Das

 

 

P1/20

Calculation of Thermodynamical Quantities of Tin Chalcogenides from Spectroscopic Data

 

Pavitra Tandon and K.N. Uttam

 

 

P1/21

Millimeter-wave spectrum of DC discharge produced cyanogen iodide (ICN) in low-lying excited vibrational states

 

Pradeep R. Varadwaj and A. I. Jaman

 

 

P1/22

Fano type interference in laser generated silicon nanomaterials

 

Rajesh Kumar, H.S. Mavi, A.K. Shukla and V.D. Vankar

 

 

P1/23

Estimation of Thermodynamical Quantities from Spectroscopic Data of Ytteribium Monhalide

 

Renu Singh and K.N. Uttam

 

 

P1/24

Applications of LICF Spectroscopy: Cadmium Stress in Wheat Plants (Triticum aestivum)

 

Renu Maurya and R. Gopal

 

 

P1/25

Laser Produced Spectra of SiC Molecule in The Region of 400 – 800 nm

 

Richa Bhargava, K. S. Ojha, and R. Gopal

 

 

P1/26

The absorption spectrum of Phosphine (PH3) in the 3 µm spectral region

 

R. J. Kshirsagar and Naveen Kumar

 

 

P1/27

Lifetime measurement of some excited states belonging to the 3p4nd ( n = 4-6 ) configuration of ArII

 

M. B. Das and S. Karmakar

 

 

P1/28

Extended and Revised Analysis of Yttrium VIII

 

S. M. Afzal, S. Khatoon, Shabbir Ahmad, and K. Rahimullah

 

 

P1/29

Accessing two-photon transitions in Rb using a low power diode laser

 

Sachin Barthwal, Vasant Natarajan

 

 

P1/30

Time Resolved Fluorescence Studies of Quinoline Derivatives

 

Sanjay Bisht and Sanjay Pant

 

 

P1/31

Doubly excited configurations of Cs IV:  5s25p3(5d +6s) - 5s25p3 6p transitions

 

Sayyed Jabeen and A. Tauheed

 

 

P1/32

evised and Extended Analysis of Eleventh Spectrum of Molybdenum: Mo XI

 

Shabbir Ahmad, S. Khatoon, S. M. Afzal and K. Rahimullah

 

 

P1/33

Blue shifted hydrogen bond in C — H -- π and C — H -- O bound Hydroquinone – Chloroform complexes

 

S. Chakraborty and S. Wategaonkar

 

 

P1/34

Solvent dependent Raman bandshape analysis of C=O stretching mode of Acetone

 

Soma Datta, Th. Gomti Devi and Kamal Kumar

 

 

P1/35

Electronic Transition Moment Variation in C2П - X2Σ + System of Boron monoxide

 

Sunanda K. and Saraswathy P.

 

 

P1/36

Origin of high-energy satellites in X-ray emission spectra

 

Surendra Poonia and S. N. Soni

 

 

P1/37

Revised and Extended Analysis of Mo V

 

Ahmad Tauheed  and Joseph Reader

 

 

P1/38

Theory  for  thermophysical properties of molecular fluids possesses tetrahedral symmetry

 

Tarun Kumar Dey

 

 

P1/39

Energy levels, oscillator strengths and lifetimes in Si-like Ca VII

 

Vikas Tayal and G. P. Gupta

 

 

P1/40

The Lα, Lγ1,5 and2,3,4 x-ray production cross sections for elements with 56 ≤ Z ≤ 68 at 22.6 keV incident photon energy

 

Yogeshwar Chauhan, M.K. Tiwari and Sanjiv Puri1

 

 

P1/41

Mj (j=1-5) subshell vacancy production following the K and L shell vacancy decay

 

Yogeshwar Chauhan and Sanjiv Puri

 

 

P1/42

Relativistic photoionization cross section for Neon like nickel

 

Alok k. S. Jha, Sanjay Tyagi and man mohan

 

 

P1/43

Photodetachment studies with the linear time of flight photoelectron spectrometer

 

G.Aravind, A.K.Gupta, M. Krishnamurthy and E. KrishnaKumar

 

 

P1/44

Spectral dependence of angular distribution for the photodetachment of Asˉ

 

G.Aravind, A.K.Gupta, M. Krishnamurthy nd E. KrishnaKumar

 

 

P1/45

Energy and Intensity distributions of multiple Compton scattering of 320 keV gamma rays

 

B. S. Sandhu, Manpreet Singh, Gurvinderjit Singh and Bhajan Singh

 

 

P1/46

Autoionization resonances in @Kr and @Xe

 

Hari R. Varma and P.C. Deshmukh

 

 

P1/47

E1 & E2 Phototoionization Studies of Free and Confined Cadmium and Mercury

 

Hari R. Varma, S. Sunil Kumar, Tanima Banerjee and P. C. Deshmukh

 

 

P1/48

Photoionization of Li-isoelectronic sequence

 

H. Sharma, Kiran Kumari

 

 

P1/49

Effect of Correlation and Polarization on Photoionization of Alkali-metal Atoms

 

R. Kumar, R. P. K. Rai and S. N. Tiwary

 

 

P1/50

Phase-shifted Multichannel quantum defect theory analysis of Autoionization Rydberg series of Europim atom

 

S. Bhattacharyya, S.G. Nakhate and M.A.N. Razvi

 

 

P1/51

Angular distribution of Au and U L X-rays induced by 22.6 keV photons

 

S. Santra, D. Mitra, M. Sarkar and D. Bhattacharya

 

 

P1/52

Spin Currents from Helium on single Photo-ionization

 

S. Bhattacharyya  , Mahua Mukherjee , J. Chakraborty  and F.H.M. Faisal

 

 

P1/53

Confinement Effects on E1 and E2 photoionization of the ns subshells of atomic Krypton and Xenon

 

T. Banerjee, Hari R.Varma and P. C. Deshmukh

 

 

P1/54

Pairing in asymmetric fermionic superfluids with cold atoms.

 

Amruta Mishra and Hiranmaya Mishra

 

 

P1/55

Mimicking Ising model using cold atoms in lattices

 

Ashok Vudayagiri

 

 

P1/56

Ground State Properties of 85Rb Bose-Einstein Condensate in Modified  Thomas-Fermi model for large-gas parameter

 

Moumita Gupta and Krishna RaiDastidar

 

 

P1/57

Measurements on Cold Atoms Trapped in a Quasi-Electrostatic Optical Dipole Trap

 

Sanjukta Roy, Saptarishi Chaudhuri and C.S.Unnikrishnan

 

 

P1/58

Evaporative Cooling of Rubidium Atoms to Quantum Degeneracy in a Crossed Optical Dipole Trap

 

Saptarishi Choudhari , Sanjukta Roy and C.S.Unnikrishnan

 

 

P1/59

Trapping and Detection of Electrons in a Penning trap

 

K. T. Satyajit and Sharath Ananthamurthy

 

 

P1/60

Characterization of a cloud of cold Rubidium atoms

 

Shrabana Chakrabarti, Amitava Bandyopadhyay, Biswajit Ray and Pradip N. Ghosh

 

 

P1/61

Control of wavepacket interference by phase control between pulses

 

Anindita Bhattacharjee and Krishna Rai Dastidar

 

 

P1/62

Studies on Electromagnetically Induced Transparency in Cesium

 

A. Ray, S. Pradhan, K. G. Manohar and B. N. Jagatap

 

 

P1/63

Population inversion in Li2 molecule by stimulated hyper-Raman adiabatic passage with chirped pulses

 

Chitrakshya Sarkar, Rangana Bhattacharya, S. S. Bhattacharyya and Samir Saha

 

 

P1/64

Possibility of observing breached pair superconductivity in cold atoms

 

Prasanta . Panigrahi, Ashok Vudayagiri, Amruta Mishra and Hiranmaya Mishra

 

 

P1/65

Collapses and Revivals in N-two level atoms interacting with a single mode coherent radiation

 

Ranjana Prakash and Pramila Shukla

 

 

P1/66

NEGATIVE STOPPING POWER

 

S. P. Gupta

 

 

P1/67

Effects of Spontaneously Generated Coherence in the closed ladder system

 

Sulagna Dutta and Krishna Rai Dastidar

 

 

P1/68

A time frequency analysis of autocorrelation function of wave packet fractional revivals

 

Suranjana Ghosh and J. Banerji

 

 

P1/69

Coherent control of solitons in strongly coupled Bose-Einstein condensates

 

Utpal Roy and P. K. Panigrahi

 

 

 

Poster Session 2 (TUESDAY 09/01/2007)

 

 

P2/01

Effects of ambient gas pressure and laser fluence on the temporal evolution of laser blow off plasmas

 

Ajai Kumar, R.K. Singh, K.P. Subramanian, B.G. Patel and I.A. Prajapati

 

 

P2/02

Plasma formation from laser matter interaction:a hydrodynamic approach

 

Ashutosh Dwivedi

 

 

P2/03

Validity regime of supersonic expansion model in laser produced plasmas

 

B G Patel, K P Subramanian, I A Prajapati and G N Dar

 

 

P2/04

Laser-induced intersubband transitions in a quantum dot

 

Monica Gudwani, Vinod Prasad and Man Mohan

 

 

P2/05

Effect of polarization on multiple filamentation and supercontinuum emission from high power femtosecond pulses Propagating in air

 

P. Prem Kiran, S. Bagchi and G. Ravindra Kumar

 

 

P2/06

Resonance enhanced multiphoton dissociation of HD+ in intense laser field

 

Rangana Bhattacharya, Bibhas Dutta, S. S. Bhattacharyya

 

 

P2/07

X-RAY and ion emission enhancement from plasmas generated by the interaction of an intense sub-nanosecond Nd: GLASS laser with mixed metallic targets of copper and Gold

 

S. Chaurasia, D. S. Munda, C. G. Murali, N. K. Gupta, L. J. Dhareshwar

 

 

P2/08

Emission of fast ions from nanostructured surfaces

 

S. Bagchi,  P. Prem Kiran, M.K. Bhuyan, S. Bose, P. Ayyub, M. Krishnamurthy and G. Ravindra Kumar

 

 

P2/09

Reflectivity of high intensity femtosecond laser light from subgratings and generation of hot electrons

 

Subhendu Kahaly and G. Ravindra Kumar

 

 

P2/10

Doped clusters in ultrashort intense laser fields

 

J. Jha, D. Mathur and M. Krishnamurthy

 

 

P2/11

ENHANCED ELECTRON YIELD AND ABSORPTION IN INTENSE LASER INTERACTION WITH DOPED CLUSTERS

 

R.Rajeev, J.Jha and  M.Krishnamurthy

 

 

P2/12

Dynamics of Micro-droplet interaction in intense laser fields

 

M.Anand and M. Krishnamurthy

 

 

P2/13

The Physics of Atoms through Collision of Positronium (Ps)

 

Hasi Ray

 

 

P2/14

Formation Of Antihydrogen In A Three Body Recombination Process

 

S.Roy, P. Pal and C. Sinha

 

 

P2/15

e+ + H (ns) → e+ + H (n’s) transitions for arbitrary n and n' using distorted waves

 

Arijit Ghoshal, Puspajit Mandal

 

 

P2/16

Temperature dependence of ozone formation in electron irradiated solid oxygen

 

Bhalamurugan Sivaraman, Ralf I Kaiser, Nigel Mason

 

 

P2/17

Angular Distribution of H¯ ions from Dissociative Electron attachment to Water using Velocity Map Imaging

 

N Bhargava Ram, Vaibhav Prabhudesai, P Rawat, G Aravind and E Krishnakumar

 

 

P2/18

Theoretical cross sections of Electron Collisions with Molecules of applied Interest: CH3OH and C2H5OH

 

Chetan Limbachiya, Minaxi Vinodkumar, K N Joshipura, and Chirag Jhala

 

 

P2/19

Scattering cross sections for electron – Ca atom elastic scattering

 

Deo Raj and Ashok Kumar

 

 

P2/20

Electron-impact study of PH3 : An R-matrix approach

 

Hema Munjal and K L Baluja

 

 

P2/21

Low energy electron collisions with cometary’s molecules SO, CH, OH, SiO and H2O

 

J.G. Raiyani and V.M. Chhaya

 

 

P2/22

Total (ELASTIC plus INELASTIC) cross sections for electron scattering from Gold AND SILVER at 10-5000 eV

 

K. L. Baluja, P. M. Patel and C. V. Pandya

 

 

P2/23

Ionizing collisions of electrons with astrophysical and plasma relevant silicon compounds

 

K N Joshipura, B G Vaishnav and Sumona Gangopadhyay

 

 

P2/24

Electron Induced Ionization in Atmospheric (pollutant) Molecules NO, N2O, NOx (x=2, 3), N2O5; HNO3

 

K N Joshipura, Sumona Gangopadhyay and B G Vaishnav

 

 

P2/25

Cross-sections and mean free paths of electrons in water and ice phases

 

K N Joshipura, Sumona Gangopadhyay and B K Antony

 

 

P2/26

Total Cross Sections for e- – NH3, H20 & H2S Scattering (Ei ≥ 10eV)

 

K.C. Raval and P.M. Patel

 

 

P2/27

Electron Impact Double Ionization of Krypton

 

L.K. Jha, Santosh Kumar, P. Kumar and B.N. Roy

 

 

P2/28

Electron Impact Excitation of Initially Excited Calcium Atoms

 

Lalita Sharma, Rajesh Srivastava and A.D. Stauffer

 

 

P2/29

Theoretical cross sections of Electron Collisions with Molecules of Biological Interest: H2CO, CHO and HCOOH

 

Minaxi Vinodkumar, K N Joshipura, Chetan Limbachiya and Sumona Gangopadhyay

 

 

P2/30

Differential cross sections for electron impact on Oxides of Chlorine using the R-matrix method

 

Monika Gupta and K. L. Baluja

 

 

P2/31

Ionization of Atomic Ions Due to Impact of Electrons

 

N. Verma, Gopalji, S.K. Shrivastava and Anil Kumar

 

 

P2/32

Effect of a Two Colour Laser Field and Phase Control on Electron Impact Excitation of a Hydrogenic Ion

 

P. Pal and C. Sinha

 

 

P2/33

Dissociative Electron Attachment studies on Water, Methane and Ammonia

 

P. Rawat, V. S. Prabhudesai, G. Aravind, N. Bhargavram, M. A. Rahman and E. Krishnakumar

 

 

P2/34

Single Ionization of Li, Na, K and Rb in Doubly Symmetric Geometry

 

Raj Kumar Chauhan, M. K. Srivastava and Rajesh Srivastava

 

 

P2/35

Electron Impact Ionization of Ti2+ in BED Model

 

Rakesh Ranjan, Krishna K. Prasad, Suresh K. Shrivastava and Anil Kumar

 

 

P2/36

(e, 2e) momentum profiles of helium

 

R Dey and A. C. Roy

 

 

P2/37

Electron Dissociative Ionization Cross Sections for the PF5 Molecule

 

Satyendra Pal

 

 

P2/38

Electron–impact study of NeF using the R-matrix method

 

Savinder Kaur and K L Baluja

 

 

P2/39

R-matrix calculation of resonances in CO

 

J. Tennyson and K. Chakrabarti

 

 

P2/40

Low Energy Electron Induced Damage to Plasmid DNAs

 

Anushka D. Dongre, Jacintha S. D’Souza, B. J. Rao and S. V. K. Kumar

 

 

P2/41

Studying site selective fragmentation of molecules using Velocity Map Imaging (VMI)

 

Vaibhav S. Prabhudesai, N. Bhargavaram, G. Aravind, P. Rawat and E. Krishnakumar

 

 

P2/42

GEOMETRY OF DISSOCIATING IONS

 

Vandana Sharma and B. Bapat

 

 

P2/43

Classical investigation on charge transfer in ion-ion collision

 

A.Dhara, S. Sounda and C.R.Mandal

 

 

P2/44

Multiple ionization of C60-fullerene under fast ion impact and Giant Dipole Plasmon Resonance

 

A. H. Kelkar, D. Misra, and L.C.Tribedi

 

 

P2/45

Effect of projectile atomic number on ionization and fragmentation of C60 in collisions with fast highly charged ions

 

A. H. Kelkar, D. Misra, and L. C. Tribedi

 

 

P2/46

Alignment of L3-subshell of Au by highly charged C ion - Measurement of angular distribution of L-subshell x-rays

 

Ajay Kumar, D. Misra, A.H. Kelkar and Lokesh C. Tribedi

 

 

P2/47

High resolution x-ray studies of Al K-satellite and excited states of highly-charged Si ions

 

Ajay Kumar, D. Misra, K.V. Thulasiram and Lokesh C. Tribedi

 

 

P2/48

Double differential distributions of low energy electron emission in fast collisions of bare C and F ions with He and H2 and two center effect

 

D. Misra, A.H. Kelkar, K.V. Thulasiram,  L.  C. Tribedi

 

 

P2/49

Forward backward angular asymmetry in electron emission in ionization of H2 by fast ions and Young type interference

 

Deepankar  Misra, A.H. Kelkar, U. Kadhane, Ajay Kumar and  Lokesh C. Tribedi

 

 

P2/50

‘Z’and ‘E’ dependence of  proton-induced L  X –ray production cross-sections

 

Harsh Mohan, Arvind Kumar Jain and A.N. Tripathi

 

 

P2/51

Study of ion-induced dissociation of deuterated ethanoL

 

Jyoti Rajput, Sankar De, A. Roy and C. P. Safvan

 

 

P2/52

Kinetic energy distributions and signature of target excitation in N2 fragmentation on collisions with Ar9+ ions

 

Jyoti Rajput, Sankar De, A. Roy and C. P. Safvan

 

 

P2/53

Single charge transfer cross-section in 3He2++14N4+ collision

 

M.Das, S.Sounda and C.R.Mandal

 

 

P2/54

Single electron transfer cross-section in C2++B+ interaction  using CTMC method

 

Mita Mandal, A.Dhara and C.R.Mandal

 

 

P2/55

Double electron capture cross-section of the ground state in the collisions of Li3+/B5+ with He

 

M.Purkait, Sutapa Ghosh and C.R.Mandal

 

 

P2/56

X-ray Emission from Asymmetric and Symmetric Heavy Collision Systems – inner shell vacancy transfer and couplings

 

P. Verma,  P.H. Mokler, A. Bräuning-Demian, C. Kozhuharov, H. Bräuning, Z. Stachura, T. Stöhlker, D.Liesen, F.Bosch and M.A. Wahab

 

 

P2/57

Development of Doppler Tuned Beam-Foil Time of Flight X-Ray Absorption Spectrometer at IUAC

 

Ranjeet K. Karn, Nissar Ahmad, Anjan Dutta, C. P. Safvan, T. Nandi1 and A. Roy

 

 

P2/58

Dissociative ionisation of CO under strong and weak perturbations

 

R K Kushawaha, B Bapat, Vandana Sharma, C P Safvan, S De and Jyoti Rajput

 

 

P2/59

Dilution of Vacancy Alignment by Processes Initiated after Primary Ionization of L3 sub shell by Protons in Intermediate Z Elements

 

Rohit Thakkar, N. Singh, S.K. Arora and K.L. Allawadhi

 

 

P2/60

Ionization of Alkali atoms by Alpha particle impact

 

S.Bhattacharya, K. Basu Choudhury, N. C. Deb, K. Roy and A. Z.  Msezane

 

 

P2/61

H3+ formation due to intramolecular bond rearrangement in methanol

 

Sankar De, Jyoti Rajput, A. Roy, P. N. Ghosh1 and C. P. Safvan

 

 

P2/62

Experimental evidence of spin flipping in ion-solid collisions

 

T. Nandi, Nissar Ahmad, and Ranjeet K Karn

 

 

P2/63

Single ionization and charge transfer cross-sections in He2+ - Alkali atoms collisions

 

Y. N. Tiwari

 

 

P2/64

Charge transfer and excitation cross-section in the process Li + H+

 

Y.N.Tiwari

 

 

P2/65

Projectile atomic number dependence of the relativistic effect on the K-shell ionization of high Z elements under heavy-ion impact

 

Y. P. Singh, Ajay Kumar, U. Kadhane, Lokesh C. Tribedi, and D. Trautmann

 

 

P2/66

Line-resolved M-shell x-ray production cross sections of Pb and Bi Induced by highly charged C and F ions

 

Y. P. Singh, D. Misra, U. Kadhane, and Lokesh C. Tribedi

 

 

P2/67

Anomalous oxygen isotope enrichment in CO2 produced from O+CO

 

Antra and S. K. Bhattacharya

 

 

P2/68

L-subshell ionization of high atomic no. elements by highly charged heavy ions and a  strong enhancement in L1 fluorescence yields

 

Yeshpal Singh, D. Misra, K.V. Thulasiram and  Lokesh C Tribedi