Only the third spinner after Bishen Singh Bedi and S Venkatraghvan to become the captain of Indian team, Anil Kumble says as a bowler he knows the "subtleties" of the game well and can use that knowledge while leading the country in Test matches. In an interview, Kumble said he is aware of the responsibility associated with the job and captaincy has come at a time in his career when he can "relish the challenge."