Bollywood's megastar Amitabh Bachchan was left speechless as good wishes poured in for him on his 73rd birthday. The megastar says he doesn’t have any words to express himself, and is humbled by the love.

Amitabh turned 73 on Sunday, and tinsel town celebrities like Rishi Kapoor, Madhuri Dixit Nene, Karan Johar and Anupam Kher wished him, calling him "the indisputable superstar of the country".