Private sector lender HDFC Bank doubled its SME book to over Rs.1.48-lakh-crore by December 2019 from Rs.74,000-crore in March 2017, cornering over 9% of the around Rs.16-lakh-crore market, at a time when credit flow to the segment has been tepid. According to the RBI data, the system-wide SME loan book stood at Rs.15.7-lakh-crore as of June 2019, up 10% over the 12 months' period.