State : Tamil Nadu List of Electoral Registration Officers (EROs) and Assistant EROs List of Electoral Registration Officers (for the newly Delimited Assembly Constituencies in Tamil Nadu) No. & name of newly Delimited Assembly Designation Constituencies 1 Gummidipoondi Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ponneri 2 Ponneri (SC) Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ponneri 3 Tiruttani Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Tiruttani 4 Thiruvallur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Thiruvallur 5 Poonamallee (SC) Sub-Collector/Assistant Collector/Revenue Divisional Officer, Thiruvallur 6 Avadi Sub-Collector/Assistant Collector/Revenue Divisional Officer, Thiruvallur 7 Maduravoyal Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ponneri 8 Ambattur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ponneri 9 Madavaram Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ponneri 10 Tiruvottiyur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ponneri 11 Dr.Radhakrishnan Nagar Assistant Commissioner & Zonal Officer, Zone I, Corporation of Chennai, Chennai - 81 12 Perambur Assistant Commissioner & Zonal Officer, Zone III, Corporation of Chennai, Chennai-12 13 Kolathur Assistant Commissioner & Zonal Officer, Zone IV, Corporation of Chennai, Chennai-23 14 Villivakkam Assistant Commissioner & Zonal Officer, Zone IV, Corporation of Chennai, Chennai-23 15 Thiru-Vi-Ka-Nagar (SC) Assistant Commissioner & Zonal Officer, Zone III, Corporation of Chennai, Chennai-12 16 Egmore (SC) Assistant Commissioner & Zonal Officer, Zone VII, Corporation of Chennai, Chennai-34 17 Royapuram Assistant Commissioner & Zonal Officer, Zone II, Corporation of Chennai, Chennai -79 18 Harbour Assistant Commissioner & Zonal Officer, Zone II, Corporation of Chennai, Chennai-79 19 Chepauk-Thiruvallikeni Assistant Commissioner & Zonal Officer, Zone VI, Corporation of Chennai, Chennai-5 20 Thousand Lights Assistant Commissioner & Zonal Officer, Zone VII, Corporation of Chennai, Chennai-34 21 Anna Nagar Assistant Commissioner & Zonal Officer, Zone V, Corporation of Chennai, Chennai-10 22 Virugampakkam Assistant Commissioner & Zonal Officer, Zone VIII, Corporation of Chennai, Chennai-24 23 Saidapet Assistant Commissioner & Zonal Officer, Zone IX, Corporation of Chennai, Chennai-15 24 Thiyagarayanagar Assistant Commissioner & Zonal Officer, Zone VIII, Corporation of Chennai, Chennai-24 25 Mylapore Assistant Commissioner & Zonal Officer, Zone X, Corporation of Chennai, Chennai-20 26 Velachery Assistant Commissioner & Zonal Officer, Zone X, Corporation of Chennai, Chennai-20 27 Shozhinganallur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Chengalpattu 28 Alandur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Chengalpattu 29 Sriperumbudur (SC) Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Kancheepuram 30 Pallavaram Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Chengalpattu 31 Tambaram Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Chengalpattu 32 Chengalpattu Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Chengalpattu 33 Thiruporur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Chengalpattu 34 Cheyyur (SC) Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Madurantakam 35 Madurantakam (SC) Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Madurantakam 36 Uthiramerur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Kancheepuram 37 Kancheepuram Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Kancheepuram 38 Arakkonam (SC) Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ranipet 39 Sholingur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ranipet 40 Katpadi Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Vellore 41 Ranipet Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ranipet 42 Arcot Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Ranipet 43 Vellore Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Vellore 44 Anaikattu Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Vellore 45 Kilvaithinankuppam (SC) Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Vellore 46 Gudiyattam (SC) Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Vellore 47 Vaniyambadi Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Tiruppattur 48 Ambur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Tiruppattur 49 Jolarpet Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Tiruppattur 50 Tiruppattur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Tiruppattur 51 Uthangarai (SC) Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Krishnagiri 52 Bargur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Krishnagiri 53 Krishnagiri Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Krishnagiri 54 Veppanahalli Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Hosur 55 Hosur Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Hosur 56 Thalli Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Hosur 57 Palacodu Sub-Collector/Assistant Collector/ Revenue Divisional Officer, Dharmapuri 58 Pennagaram Sub-Collector/Assistant Collector/Revenue Divisional Officer, Dharmapuri 59 Dharmapuri Sub-Collector/Assistant Collector/Revenue Divisional Officer, Dharmapuri 60 Pappireddippatti Sub-Collector/Assistant Collector/Revenue Divisional Officer, Harur 61 Harur (SC) Sub-Collector/Assistant Collector/Revenue Divisional Officer, Harur 62 Chengam (SC) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tiruvannamalai 63 Tiruvannamalai Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tiruvannamalai 64 Kilpennathur Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tiruvannamalai 65 Kalasapakkam Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tiruvannamalai 66 Polur Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tiruvannamalai 67 Arani Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Cheyyar 68 Cheyyar Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Cheyyar 69 Vandavasi (SC) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Cheyyar 70 Gingee Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tindivanam 71 Mailam Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tindivanam 72 Tindivanam (SC) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tindivanam 73 Vanur (SC) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Villupuram 74 Viluppuram Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Villupuram 75 Vikravandi Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Villupuram 76 Tirukkoyilur Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tirukkoyilur 77 Ulundurpettai Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tirukkoyilur 78 Rishivandiyam Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Kallakurichi 79 Sankarapuram Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Kallakurichi 80 Kallakurichi (SC) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Kallakurichi 81 Gangavalli (SC) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Attur 82 Attur(SC) Sub-Collector/Assistant Collector/Revenue Divisional Officer, Attur 83 Yercaud (ST) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Salem 84 Omalur Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Mettur 85 Mettur Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Mettur 86 Edappadi Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Sankari 87 Sankari Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Sankari 88 Salem (West) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Salem 89 Salem (North) Commissioner, Salem City Corporation, Salem 90 Salem (South) Commissioner, Salem City Corporation, Salem 91 Veerapandi Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Salem 92 Rasipuram (SC) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Namakkal 93 Senthamangalam (ST) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Namakkal 94 Namakkal Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Namakkal 95 Paramathi-Velur Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tiruchengodu 96 Tiruchengodu Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tiruchengodu 97 Kumarapalayam Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Tiruchengodu 98 Erode (East) Commissioner, Erode Municipal Corporation, Erode 99 Erode (West) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Erode 100 Modakkurichi Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Erode 101 Dharapuram (SC) Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Dharapuram 102 Kangayam Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Dharapuram 103 Perundurai Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Erode 104 Bhavani Sub-Collector/ Assistant Collector/ Revenue Divisional Officer, Gobichettipalayam 105 Anthiyur Sub-Collector/ Assistant Collector/