Mumbai, Jan 8 - After Gujarat, Amitabh Bachchan starrer "Paa" has now been declared tax-free in West Bengal.

The tax exemption will help reduce ticket prices and will further help the movie business in its long run, said a statement.

Produced by AB Corp and distributed by Reliance BIG Pictures, "Paa" is an emotional story of a father-son relationship that had Amitabh playing Auro, a 12-year-old child suffering from progeria, a disease that accelerates ageing.

Directed by R. Balakrishnan, the film also stars Vidya Balan and Abhishek Bachchan who play Amitabh's parents.