O (Tiruvannamalai) Ottiyantangal (Thiruvallur) Ondikuppam (Thiruvallur) Odikkādu (Thiruvallur) Odappai (Kancheepuram) Oragadamahādevamangalam (Thiruvallur) Orattūru (Thiruvallur) Odakandigai (Chittoor) Obularazukhandrika (Chittoor) Oddepālem (Chittoor) Obularajukhandrika (Chittoor) Oddepālem (Nellore) Ochchūru (Chittoor) Oratūr (Vellore) Ochchalam (Thiruvallur) Oddapālaiyam (Chittoor) Obulrājukhandigai (Chittoor) Orīkundāpuram (Chittoor) Ontimitta (Chittoor) Obulrawkhandika (Chittoor) Oddepālem (Nellore) Olledu (Chittoor) Obālāyapalli (Vellore) Oddaneri (Thiruvallur) Oddupalle (Chittoor) Ondalvanipalle (Chittoor) Odamalakurta (Chittoor) Oddakudisai (Chittoor) Oddupalle (Vellore) Oddantāngal Ō (Chittoor) Ōddupalle 21 22 23 24 25