Question: query regarding leaf curl disease and wilting in chillies. 
Answer: treatment: leaf curl management: please spray azadirachtin 2ml per liter of water or neem oil 5 ml per liter of water or bacillus thuringiensis 2ml per liter of water 3 times at 3 days interval in the evening time.

for wilting : please do the bacterial ooze test
                           process: cut a small part of that affected plant and put into a glass of clean water and keep it for 30 minutes. if the water become yellowish white than uproot the plant and drench the soil with blitox 2gm per liter of water. if the water remains clean than you can apply saaf 2 gram per liter of water after uprooting the plant.