Tadapatla Ratna Bai, a politician from Indian National Congress party is a Member of the Parliament of India representing Andhra Pradesh in the Rajya Sabha, the Council of States, the upper house of the Indian Parliament. She has been an active member since her election into the house rising concerns ranging from dowry deaths to Science and Technology. She served as a Member of the Andhra Pradesh Legislative Assembly from Yellavaram constituency from 1972 to 1978.