questions: asking about the rate of lime application and method of feeding of fishes in a tank of 4 katha area. 
 answers: advised to apply quick lime @ 5-6 kg for 4 katha water area.for feeding the fishes,mix rice husk(mol) 5 kg with mustard cake 10 kg by putting in onion plustic bags,tie it in a bamboo stick and put it in the middle of the pond leaving 1/3 submerged.