The Indian DGCA has come out with document indicating the normal time periods for delivery of services including approval of pilots license
According to the document they will issue pilots license for issue of CPL within 1 month
provided all the documents are in order and you meet the necessary requirements
For conversion its 6 weeks as the DGCA needs to contact the civil aviation authorities and get a direct response from them in order to verify the foreign pilot license
http://www.dgca.nic.in/dgca/Standard...20Services.pdf