Narcotics Control Bureau (NCB) has arrested a Myanmar-based drug kingpin identified as Thancintuang, also known as Chintuang, in Delhi following an extensive cross-border surveillance operation. Officials said the accused was a major supplier of methamphetamine and heroin operating through the Myanmar–Mizoram–Manipur–Assam–Tripura–Bangladesh trafficking corridor. According to investigators, the syndicate handled narcotics valued at nearly Rs 115 crore and…