Contains correspondence between B C Choudhury and the director of Municiple Hill Garden Zoo, Reuben David regarding data collection on Muggers at the Ahmedabad Zoo. Rueben David's response includes crocodile breeding records and a reprint of his paper - Breeding the Mugger Crocodile and Water Monitor at Ahmedabad Zoo published in the International Zoo Yearbook, No. 10, 1970 (this is has been removed from the folder). Also includes a sketch of the breeding pool at the Ahmedabad Zoo.