Ardhangi () is a 1955 Indian Telugu-language drama film, produced and directed by P. Pullayya under the Ragini Pictures banner. It stars Santha Kumari, Savitri, and Akkineni Nageswara Rao. Music is composed by Master Venu and B. Narasimha Rao. Acharya Aatreya scripted the film based on Maddipatla Suri's Telugu translation of the Bengali novel Swayamsidda written by Manilal Banerjee. The film was successful at the box office. It has received the National Film Award for Best Feature Film in Telugu and the Filmfare Award for Best Film - Telugu. The film was remade in Tamil as Pennin Perumai and in Hindi as Bahurani (1963). Plot Zamindar Bhujangarao has two sons. The elder son Raghunath Rao born to his first wife is developmentally disabled. After his first wife's death, the Zamindar marries Rajeswari and the couple has a son Nagendra Rao / Naagu who is shown to be a man of vices. Naagu is cruel to his half-brother. Impressed by the way Padma, a village girl, faces Naagu when he threatens to take their farmlands, the Zamindar arranges for Naagu to marry her. But Rajeswari vetoes the alliance and instead suggests that Raghu marry Padma instead. After the wedding, Padma learns that Raghu's disability is due to the opium used to put him to sleep as a child by the maid, Ayamma. Padma takes up the task of helping him, keeping the cruel Naagu at a distance from him. The Zamindar rewrites the will, leaving everything to Raghu before dying. But Raghu leaves the property to the peeved Rajeswari and Naagu. He then goes into the village to live there with his wife. Naagu brings his lover Neelaveni, who along with her entourage are eyeing Naagu's property. When he learns that the farmers paid the tax to Raghu, an enraged Naagu goes to the village with a rifle. At the same time, Raghu brings the money to give it to him. A repentant Rajeswari along with Raghu, reaches the village to convince Naagu to come to his senses. When she fails, she takes the rifle and aims at him. Padma shields him as Naagu realizes his mistake. Cast Santha Kumari as Rajeswari Devi Savitri as Padmavati Akkineni Nageswara Rao as Raghunatha Rao / Raghu Gummadi as Zamindar Bhujangarao Jaggayya as Nagendra Rao / Nagu Surabhi Balasaraswathi as Neelaveni Chadalavada as Bheemudu Nagabhushanam as Veeraiah Dr. Sivaramakrishnaiah as Appula Sivakamaiah Dr. Kamaraju