questions: asked about to increase the growth of fishes. 
 answers: told him to  give the feed at the rate of 2kg for 400 fingerling and keep it in a sack of onion which need to be fixed at the pond by a bamboo. hole should be made at the bottom side of the sack for feeding the fish. also recommended to use potassium crystal (potassium permanganate) of 2gm mixed in water and spray at night. repeat this procedure after 10days again.