New Delhi, Oct. 13 -- Mohammad Yunus Khan, one of India's prominent athletics coaches who played a key role in the early development of distance runner Gulveer Singh, has been provisionally suspended by the National Anti-Doping Agency (NADA) over an alleged anti-doping rule violation involving "complicity".

Khan, a middle and long-distance coach at the Army Sports Institute in Pune, has been charged under Article 2.9 of the NADA Rules, which deals with complicity or attempted complicity in an anti-doping rule violation by an athlete or another person.

The provision prohibits intentionally assisting, encouraging, aiding, abetting, conspiring, covering up or engaging in any other form of complicity in an anti-doping rule violation or an att...