WFI President Brijbhushan Sharan Singh has requested the probe to be carried out by the country's premier investigating agency
Court of Arbitration for Sports in Rio threw Yadav out of the Games and slapped a four-year ban on charges of doping
Narsingh was debarred from representing India at Rio Games and he was slapped with a four-year ban
It also ruled that Sandeep Yadav's ingestion was not at the same time
Verdict marked a painful end to the controversy which began with the wrestler failing a June 25 test
Yadav may have been innocent as NADA claims but his participation would have been against the principles of fair play and doping-free sport
Now NADA has to explain how it came to "sabotage" the result that pointed to the wrestler's guilt in the first place
The verdict marked a painful end to the sordid controversy which began with the wrestler failing a June 25 test
Narsingh had tested positive for a banned anabolic steroid -- methandienone -- in tests conducted on June 25
He expressed shock over the news stating that he had always cleared the dope test in his career spanning 15 years
Ranjan also raised apprehensions that this incident may lead Yadav to depression
Sports Minister Vijay Goel calls for end to for conspiracy theories; Wrestler had cried foul after failing dope test
Earlier this week he tested positive for a banned anabolic steroid on both his A and B samples
Narsingh's chances of competing in the Olympics had seemed bleak last week he failed a second dope test
The 26-year-old grappler, who bagged the quota with a bronze medal finish in last year's World Championships, tested positive for a banned anabolic steroid on both his 'A' and 'B' samples
The wrestler, who had failed a dope test on June 25 claimed that it was a conspiracy against him
However, WADA had asked NADA to send the case file of Narsingh for a review
Counsel for NADA says the athlete should have been careful about intake of food and drinks he consumes
The family alleged that wrestler Satpal and Sushil Yadav have conspired to get his son out of the Olympics
The 26-year-old wrestler, who was selected ahead of two-time Olympic champion Sushil Kumar for Rio Olympics