Dr. Dhanalekshmy T.G., Assistant Professor, H.O.D., Department of Zoology, All Saints’ College, Thiruvananthapuram. UGC Approval No. MRP(S)-911/10-11/KLKE007/UGC-SWRO dtd 10 Feb.11 in Sciences, ANALYSIS OF DRINKING WATER AND HEALTH SURVEY OF THREE SELECTED SITES IN THIRUVANANTHAPURAM DISTRICT 
