Sourav Ganguly has been removed as captain of the Kolkata Knight Riders (KKR) and the reins handed over to New Zealand's dashing wicketkeeper-batsman Brendon McCullum in the second edition of the Indian Premier League (IPL) beginning here on Saturday.Ganguly, who led the team in the first IPL season, and West Indies captain Chris Gayle have been given the role of senior management in the team.