Mumbai: Sundar Raman, under investigation for alleged wrongdoing in the 2013 Indian Premier League (IPL) match fixing and betting scandal, has resigned as the tournament's Chief Operating Officer (COO), media reports said on Tuesday.

Raman was one of those named in the Lodha Committee report on the IPL scam, which questioned his role in the scandal. He was at the helm of IPL affairs when the scandal broke out. He took his position in the league's inaugural season in 2008.