Bollywood actress Vidya Balan joined the sets of Balakrishna to be featured in the biopic NTR. The actress, who arrived in Hyderabad, received a warm welcome from the Balakrishna's family. She was offered a special Saree on the occasion. Vidya Balan has confirmed the news that she will be playing the role of actor-politician Nandamuri Taraka Rama Rao's first wife Basavatarakam in the biopic. Nandamuri Balakrishna will play the role of his father, the former Andhra Pradesh chief minister NT Rama Rao.