Dilip Joshi has done many roles in his career so far, but the character of Jethalal, that he plays in the show Taarak Mehta Kaa Ooltah Chashmah, has overshadowed them all. The Gujarat-born actor tells Giridhar Jha that this serial, a rib-tickler that has already surpassed 2,544 episodes, will continue to run until the audiences get tired of it, which does not appear to be happening anytime soon. Excerpts: