questions: query regarding management of leaf curl in chillies. 
 answers: spray rogor/malathion 2ml/liter of water 3 times at 5 days interval in the evening time in the absence of rain. in flowering and fruiting stage if this disease is occur then spray neem oil 5ml/liter of water 3 times @ 3 days interval in the evening time. for increasing the production sprays vitamins like -biovita/ mohaphol/ sagorika 2ml /liter of water @15 days interval in the evening time and to be continue up to the season end.
if problem still persist please visit krishi vigyan kendra in your district and consult with scientists there