Sanjay Kumar Singh: The officer who probed the Commonwealth Games scam and can currently investigate the Aryan Khan medication case

On Friday evening, the Narcotics Control Bureau transferred six cases, including the drug case against the son of Bollywood star Shah Rukh Khan, Aryan Khan, from the Mumbai region led by Sameer Wankhede - to the team of special investigation (SIT) led by IPS officer Sanjay Kumar Singh. The move comes as Sameer Wankhede faces a slew of charges - of corruption, extortion and questions about his personal "extravagant" lifestyle.

Sanjay Kumar Singh, a 1996 Odisha Group Indian Police Officer, is currently Deputy Director General (Operations) of the Narcotics Control Bureau. He also served in Odisha Police and the Central Bureau of Investigation. he also oversaw the team that investigated the 2010 Commonwealth Games scam. Sanjay Kumar Singh also led the Anti-Drug Task Force (DTF) as Additional Director General (ADG) during his time with the police Odisha and arrested several drug trafficking rackets in Bhubaneswar. he also led several drug campaigns in Odisha State. According to media reports, Sanjay Kumar Singh was delegated to NCB in January of this year. According to another report, Sanjay Kumar Singh was supposed to retire on January 31, 2015. But he was delegated to the NCB until further notice and will continue as DDG until further notice.

The amendment within the investigations return as Sameer Wankhede faces many personal and service-related allegations. He has been defendant by NCP leader and geographic region minister governor leader of shaping his documents to induce a government job, lying regarding his faith and impressive individuals in "bogus" medicine cases, allegations he has denied.

In addition to the Aryan Khan case, the Armaan Kohli case in which he was arrested by the NCB on August 28 for possession of 1.3 g of cocaine has also been transferred to the SIT, which will be handled by Sanjay Singh.