Kolkata Knight Riders’ spinner Piyush Chawla is wary of a winless Royal Challengers Bangalore side ahead of their IPL encounter at the M Chinnaswamy Stadium in Bengaluru.

Kolkata Knight Riders’ spinner Piyush Chawla is wary of a winless Royal Challengers Bangalore side ahead of their IPL encounter at the M Chinnaswamy Stadium in Bengaluru.