Amitabh Bachchan Birthday: Fans from across the country have come down to Mumbai to celebrate Big B's 81st birthday. Some came dressed as his character from Coolie, and some danced on 'Pag Ghungroo' from Namak Halaal'. His most famous dialogues were being recited by fans gathered outside Jalsa, his residence. Watch this video to see the fan frenzy the megastar, Amitabh Bachchan generates.