Bipasha Basu refused the lead role as she didnt want to play mother to a 12 year old child.
One of the films that Kamal Haasan filmed in both Hindi and Tamil languages after Hey Ram (2000), Aalavandhan / Abhay (2001), Vishwaroopam / Vishwaroop (2013) and Vishwaroopam II / Vishwaroop II (2018).
The producer who acquired the dubbing rights of Tik Tik Tik wanted to cash in on Kamal Hassan's movie "Mumbai Express". He released the film 2 weeks after Mumbai Express hit theatre's.He decided to title the film " Bombay Express" to make people believe that his film was " Mumbai Express" and would increase DVD sales.
Bipasha Basu was offered the film but she did not want to play the role of a mother .
Was made simultaneously in Hindi and Tamil.