Biography:

R. Chattopadhyay is in the Department of Zoology at university odf Calcutta. Present study is on the induced hypothyroidism on pineal karyomorphology. One of his famous publication is A COMPARATIVE STUDY INDICATES METHIMAZOLE INDUCED CHEMICAL HYPOTHYROIDISM CAUSES INHIBITION OF PINEAL GLAND KARYOMORPHOLOGY IN THREE DIFFERENT SPECIES OF ANIMALS.