Tirumala, Oct 15 (UNI) The Tirumala Tirupati Devasthanams (TTD) has put in place extensive medical arrangements for devotees attending the ongoing Srivari Navaratri Brahmotsavams, deploying 85 doctors and 60 paramedical personnel to provide round-the-clock healthcare services, according to TTD Chief Medical Officer Dr Kusuma Kumari.