Director,

ISRO Satellite Centre,

Bangalore.

Assistant Professor

Department of Mathematics

Madras Christian College

Chennai

Associate Professor

Department of zoology

St.John’s College

Tirunelveli

Bhatnagar Awardee

Professor

School of Biological Sciences

Madurai Kamaraj University

Madurai

Team Leader (India):Indo-French Centre for GroundwaterResearch(IFCGR)

Chief Scientist:CSIR-National Geophysical Research Institute,

Hyderabad