Kolkata, March 1 -- As India takes on West Indies in a virtual knockout match for the last semifinal spot in the T20 World Cup, both teams will have to get their homework done against spin bowling so that the packed crowd at Kolkata's Eden Gardens can get treated to a six-hitting fest.

While the Men in Blue have struggled against finger spinners, particularly off-spin, the West Indies are facing a gigantic threat in the form of Varun Chakravarthy, the wrist spinner who is playing at what is his Indian Premier League (IPL) franchise Kolkata Knight Riders (KKR)'s home ground. Men in Maroon also have their struggles against wrist spin.

In this tournament, India has lost 19 wickets to finger spin, only England (22 wickets) has lost more. Th...