Karun Nair is associated with which sports?

Karun Kaladharan Nair, an Indian cricketer from Karnataka, has recently hit the triple century in the fifth and final Cricket Test against England at the M. A. Chidambaram Stadium in Chennai, Tamil Nadu. With this, Nair became only the 2nd Indian batsman to hit a triple-hundred in international cricket history after Virender Sehwag and the 3rd player after Bob Simpson and Sir Garfield Sobers to convert their maiden Test centuries into triple centuries.