Even at 68, Bollywood's megastar Amitabh Bachchan doesn't have time to take a well-deserved vacation -- thanks to his commitment towards work.

After the release of "Bbuddah... Hoga Terra Baap", Big B is busy promoting "Aarakshan" and doing mock rehearsals for "Kaun Banega Crorepati 5" (KBC) which will be telecast on Sony Entertainment Television.

"There is no time for vacation or holidays, 'Aarakshan' and 'KBC' keeping me busy for sometime. After these get over, I will think about it, " Big B told.

"Aarakshan" releases Aug 12 and "KBC" goes on air Aug 15.