New Delhi, July 7 (IANS) In the wake of eight athletes failing dope test, the Sports Authority of India (SAI) Thursday suspended R.S.Sidhu and showcaused Ramesh Nagapuri, who were with the 400 metres athletics team at the National Institute of Sports (NIS) Patiala. The two were assistants to sacked Ukranian coach Yuri Ogrodnik.