Sunita Rani was found positive for banned substance nandrolone and subsequently stripped of her medals .
Sunita Rani won the gold medal in women 's 1500m at Busan with a new Games record and also a bronze in the 5,000 m .
Sunita Rani , who won the gold medal in women 's 1500m at Busan with a new Games record and also a bronze in the 5,000 m , was found positive for banned substance nandrolone and subsequently stripped of her medals .