The movie, which was filmed in Agra, stars Swara Bhaskar, Ratna Pathak, Pankaj Tripathi and Ria. It will hits theatres tomorrow.
"Touched by the story of 'Nil Battey Sannata', which was filmed in Agra. We have made the film tax free in UP," Yadav wrote on Twitter.
The film directed by Ashwiny Iyer Tiwari is a poignant story of a mother and daughter.
"It is a very relevant story. It shows us that age is no bar when it comes to pursuing your dreams," Ashwiny told PTI.