Treatment for leaf curl in chilly plants ..
.Method 1.Take 100gms of raw tobacco soak it in 3 liters of water overnight and day. Once this is generated dilute 1:3 and spray.
Method 2.Take 2 tablespoon of turmeric powder and mix with 200 ml hot water and let it cool.T hen add paste of 10garlic pods. You can filter that out to a 1 ltr spray bottle with 800 ml soap nut water and shake well and spray all over this plant weekly once. Pour the balance water for the roots too. Then spray repellents to other healthy plants every 3 days