Board of Control for Cricket in India's anti-corruption chief Ravi Sawani has resigned citing personal reasons.
Sawani had set up BCCI's anti-corruption unit in 2012 after similar efforts the sport's international governing body, the International Cricket Council.
He reportedly wanted to quit in April but was asked to carry on until the end of IPL.
Neeraj Kumar, who was recently roped in as advisor to BCCI's anti-corruption unit, is tipped to replace Sawani.
Kumar, a former Delhi Police commissioner, had led the spot-fixing investigations in 2013, leading to the arrests of then Rajasthan Royals players S Sreesanth, Ajit Chandila and Ankit Chavan.