questions: asking for the control measure against aphids and saw fly in mustard crop cultivation. 
 answers: 'rogor 40 ec' solution @ 75 milli litres per 60 litres of water or 'malathion 50 ec' solution @ 150 milli litres per 60 litres of water has been suggested to spray for 1 bigha of cultivated land as the control measure against aphids and saw fly in mustard crop cultivation.