Mumbai, Nov 7 (IANS) Indian Premier league (IPL) side Royal Challengers Bangalore Friday acquired the services of batsman-wicketkeeper Manvinder Bisla from Kolkata Knight Riders and traded Parthiv Patel to Mumbai Indians in the trading window for the 2015 edition of the tournament.

The window, from Oct 6-Dec 12, has seen four players traded so far with Mumbai Indians acquiring batsman Unmukt Chand from Rajasthan Royals and seamer R. Vinay Kumar from Kolkata Knight Riders earlier this week.

The 2015 IPL will begin April 8 and stretch till May 24.