USA from 2000
USA from 2000
USA from 1996
New Delhi from 1992
Calcutta from 1986
New Delhi from 1986
Karunya University
Govt. of Tamil Nadu - 2001 - 2003
Indian Journal of Experimental Biology
Board
Wealth of India
Natural Product Radiance
University of Hyderabad - 2003 - 2006
University of Nagaland - 2003 - 2006
Alagappa University
Vels University