questions: asking about process related to pre stocking fish farming  
 answers: for control of unwanted insect and plant : bleaching powder @ 46 kg per bigha
lime @ 26 kg per bigha
cowdung @ 300 kg per bigha
urae @ 2.5 kg and ssp @ 2.5 kg per bigha 
after 7 days fingerling @ 2000 kg per bigha
spawn @ 2.5 lakhs to 4 lakhs  for 1 bigha pond 
kvk@ 9435564391