Zee SaReGaMaPa Li'l Champs' Tanmay Chaturvedi, 11, and Aamir Hafeez, 10, are on cloud nine. After all, it's not everyday that you get to sing for an Amitabh Bachchan film. The children have recorded songs for Ravi Chopra's upcoming film, Bhootnath, starring Bachchan and Juhi Chawla , and guest starring Shah Rukh Khan .Vishal-Shekhar have scored the music. "After hearing Tanmay and Aamir on Zee TV, Vishal and Shekhar (who appeared on the show as   read more »