Former India captain Sunil Gavaskar on Monday slammed Australia skipper Tim Paine for sledging Ravichandran Ashwin during the drawn third Test here, saying his behaviour was "unbefitting" of a leader and could cost him his captaincy.

Australia`s famed bowling attack threw everything at India on the fifth day but couldn`t break their resolve as the visitors hung on for a memorable draw at the SCG. "I don`t know I am not an Australian selector, but his days as captain are numbered. If you allow the Indian team to bat 130-odd overs without getting wickets, this is a very good Australian attack. The bowling changes, the field placements, everything could have made a difference to the result," Gavaskar told India Today.