The National Anti Doping Agency, NADA will conduct tests on Boxer Vijender Singh in accordance to the WADA, World Anti Doping Agency code. Speaking to All India Radio, Director General, National Anti Doping Agency, Mukul Chatterjee said, how and when the NADA tests are to be conducted, should be left to the discretion of the agency and the athelete. He said, NADA does all the tests for prescribed prohibited substances.Meanwhile, Olympic medallist Vijender Singh has said that he is ready to provide samples for the dope test to the National Anti Doping Agency. He however denied Punjab Police claims that he took drugs at least 12 times.