AGARTALA, June 30 (TIWN): "Atleast 7 to 8 gang leaders arrested in NDPS case are still in jail, but there are newly emerging Gang leaders in narcotic peddling world'" responded Sadar SDPO Deba Prasad Roy to a common question why police yet to arrest main dealers of such drug dealing networks. The SDPO was talking to media after police conducted a successful plainclothes policing by chasing few of the gang members for last few days. The operation was held based on previously arrested drug peddlers given information and local secret sources.