questions: query regarding leaf curl in chillies. 
 answers:  please spray any one of the following insecticides 3 times at 3 days interval during the evening time in the absence of rainfall.
                                neem oil 5ml/liter of water 
                                                      or
                                 azadirachtin 2ml/liter of water 
                                                       or
                                 flubensik 1ml/liter of water