Mohammed Kaif has stepped down as captain of the Uttar Pradesh Ranji cricket team but would continue to play as a batsman for the state side. Sources say, Kaif, who led the side for six years, is likely to be replaced by R P Singh as the left-arm pacer's name is doing the rounds in the state cricket circles.Kaif, who played 125 ODIs and 14 Tests for India, has informed UPCA Secretary and IPL Commissioner Rajeev Shukla about his decision.