Professor Emeritus, NSUT, New Delhi, India Former Professor & HOD Physics The M.S Univeristy of Barora, Gujarat, India ICTP- TRIL Fellow & Fellow of Gujarat Science Academy Former Chairman: AUC,IUAC,New Delhi,India
IoP, AS, Taiwan
BITS Dubai
NUL, Southern Africa
SCU, Chengdu, China
DU, United State
SU, Turkey
NSCBRD, Japan
CUSB, Gaya, India
AMU, Aligarh , India
NSUT, New Delhi, India
NIT Srinagar, India
BHU, Varanasi, India
SNIoE, Greater Noida, India
IIT Indore, India
IIT Patna, India
DU, New Delhi, India
CUP, Bathinda, India