The accused were identified as M Vijayalakshmi, 36, the child’s mother, from Kannagi Nagar, P Navaneetham, 69, and her son P Srinivasan, 47, from Tirupathi in Andhra Pradesh and S Thangam, 43, an agent in selling babies from Red Hills. Police have launched a hunt for at least three people who acted as agents for selling the baby.