Annakoota Utsavam (Thiruppavadai) is scheduled to take place on September 29th, 2013 (Sunday) at Sri Oppiliappan Pattabisheka Ramar Temple, Srinivasan Salai, Ram Nagar (North), Puzhudhivakkam, Madipakkam, Chennai. On the occasion of Purattasi month, Maavu Thiruvillakku samarpanai and Sahasranama Archanai is taking place on Saturdays for Sri Oppiliappan perumal in this temple (September 21&28 and October 5 & 12, 2013). The detailed pathrigai could be viewed at Madipakkam Sri Oppiliappan Pattabhisheka Ramar Temple Purattasi Utsavam
Also, other previous utsavams at this temple could be viewed at http://anudinam.org/?s=madipakkam