questions: asking for the preventive measures to be adopted against late blight disease in potato crop cultivation. 
 answers: advised mr. deka to go for 3 sprayings of indofil m-45 solution @ 2.5 gram in 1 litre of water. first spraying to be done at 30 days, second spraying to be done at 60 days and the third and final spraying to be done at 90 days.