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Vijaya Nirmala in Telugu
She directed more than 20 successful commercial movies (Telugu) besides acting in scores of others as a heroine. See the link :
B.V.Nandini Reddy
Another notable woman director in Telugu is B.V. Nandini Reddy who bagged several awards like the Nandi Award, SIIMA Award etc. for her directorial prowess. See the link :
B. V. Nandini Reddy - Wikipedia
N. Savithri
The most illustrious and unforgettable Telugu actress of the past generations, late Smt N. Savithri Ganesan (1936 - 1981) gaaru was not only a film director but also an enterprising producer too. She personally produced and directed such salutary entertainers like Chinnari Paapalu, Chiranjeevi, Maathru Devatha,Vintha Samsaram etc. See the link :
Revathi
Revathi (original name : Asha) is another woman film maker from the South who contributed significantly to the Indian cinema. To her credit, she directed films in English, Malayalam and Hindi. See the link :