Royal Challengers Bangalore (RCB) fast bowler Harshal Patel retained the Purple Cap with Delhi Capitals' Avesh Khan and Mumbai Indians' Rahul Chahar both ending up with a wicket less than him after their match in the Indian Premier League (IPL). <p></p> <p></p>Harshal holds the Purple Cap with nine wickets while Avesh is tied with Chahar with eight wickets. Avesh remains ahead of Chahar on the standings on the basis of his superior economy rate of 7.35 compared to the latter's 7.37. Chahar's team mate Trent Boult rounds off the top four with six wickets. <p></p> <p></p>Fast bowler Avesh recorded figures of 2/15 in DC's six-wicket win over defending champions Mumbai Indians on Tuesday. Chahar, meanwhile, took only wicket, albeit an important one in the form of DC's top scorer on the night and current Orange Cap holder Shikhar Dhawan. <p></p> <p></p>Amit Mishra got his first wicket of the season when he dismissed MI captain Rohit Sharma on Tuesday. He went on to take four wickets in the match, thus leading DC's efforts in restricting MI to 137/9. DC chased down the total comfortably, with six wickets and five balls to spare.