The commercial tax department's notification makes the tax waiver effective from Sep 6.
The film, about a gritty women's hockey team that goes on to win the world championships thanks to its coach, has set "high standards in social, education and cultural sectors besides it has promoted team spirit in sports and also plays a vital role in women's empowerment", stated a government release.
It went on to state: "Its story is inspired to boost national feelings."
The film that brings to reel life the story of a losing hockey team and how a coach turns its destiny around has been declared tax-free in several states, including Delhi, Bihar, Haryana, Rajasthan, Madhya Pradesh and Maharashtra.