Left-arm wrist spinner Kuldeep Yadav has generated a lot of interest in the England ranks but former skipper Alec Stewart believes that Test matches will be a completely different ball game for the youngster if he pips the seasoned Ravichandran Ashwin in the playing XI for the first Test.

"I am a massive fan of Ashwin and he is an impressive performer. Jadeja has had some good success against England as well. But if someone has got mystery, you might want to play him," Stewart told PTI in an interview. "Virat, as a captain, is very positive and will back an attacking bowler.