Question: asking about the insect problem in bottle gourd.
apply dursban 30 ec @ 2ml / l of water , 3 spray at 5 days interval or 
apply ustaad @ 2ml / l of water , 3 spray at 5 days interval

Answer: apply dursban 30 ec @ 2ml / l of water , 3 spray at 5 days interval or 
apply ustaad @ 2ml / l of water , 3 spray at 5 days interval