questions: asking about stocking density and ratio of different fishes and culture practices 
 answers: recommended stocking density @1000-2000 nos/bigha and ratio catla,rohu,mrigal @300:400:300.application of lime@10 kg/bigha,cowdung @100 kg/bigha/month after 15 days of cowdung application @urea 10kg/bigha/month,ssp @20kg/bigha/month.