New Delhi, Sept. 19 -- Decorated spinner Anil Kumble has advocated for left-arm ball tweaker Kuldeep Yadav's inclusion in the Test fold, who brings along an 'X-factor' with him that takes India a step closer to scything 20 wickets.

Kuldeep, who firmly believes that rhythm is everything, sat out the entirety of India's tour of England earlier this year. It wasn't about his form or the lack of skill set that he offers; the team combination and the urge for batting depth left no room for him.

Instead of sulking or brooding, the 30-year-old devised a pattern of training, analysing his game and identifying markers. There were certain moments throughout the 2-2 series draw when fans and former cricketers voiced their opinion about Kuldeep bei...