It's going to big battle between India versus Pakistan's bowling in their T20 World Cup blockbuster at Kolkata's Eden Gardens on Saturday. Sunil Gavaskar is cautioning India's top batsmen against Pakistan's lead pacer Mohammad Amir. After their defeat against New Zealand on Tuesday, India must beat Pakistan to remain in fray from Group 2.Former captains Imran Khan and Wasim Akram are expected to calm frayed nerves in the Pakistan camp. Imran and Wasim will not be strangers in the dressing room. At the peak of their careers, Imran, Wasim, Waqar Younis (now head coach) and Intikhab Alam (manager) were part of a high-profile unit.