By-elections to eighteen state assembly constituencies were held in

Tamil Nadu Tamil Nadu (; , TN) is a States and union territories of India, state in southern India. It is the List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of India ...

on 18 April 2019 together with

2019 Indian general election General elections were held in India in seven phases from 11 April to 19 May 2019 to elect the members of the 17th Lok Sabha. Votes were counted and the result was declared on 23 May. Around 912 million people were eligible to vote, and voter ...

. It was considered to be mini-assembly election battle for the power in

. The ruling government had to prove its majority while the opposition was trying hard to get maximum seats . There were 22 seats vacant in the

assembly , By-election took place in two phases and in the first phase for 18 assembly constituencies together with Lok Sabha general election on 18 April 2019 in the state. Remaining 4 assembly constituencies (Ottapidaram, Aravakurichi, Tiruparankundram and Sulur) election was held on 19 May. The counting of votes was conducted on 23 May, and on the same day the results were announced. Then the by-elections for 2 seats Vikravandi and Nanguneri were conducted on 21 October 2019

By-Election Event

Phase 1

Phase 1 By-Elections will be held for 18 vacant assembly constituencies in Tamil Nadu.

Phase 2

Phase 2 By-Elections will be held for the remaining 4 vacant assembly constituencies in Tamil Nadu.

Notable Party-wise contesting candidates list

There are 36 candidates from the Recognized State political party , 46 candidates from the other registered regional parties and 187 Independent politicians for of total 269 candidates for the 18 seats by-election officially announced by Tamilnadu election commission .

Opinion Polls

Pre-Poll

Exit Polls

Election Results

Constituencywise trends

, - Source - Election Commission of India

Constituencywise candidate results

Poonamallee Poonamallee is suburb of Chennai, India under the Chennai Metropolitan Area. It was historically called ''Pushpagirimangalam'', later renamed in Tamil as ''Poovirundhavalli'' (), and now colloquially called as ''Poondhamalli''. It is a town in ...

Perambur

Tirupporur Thiruporur is a panchayat town in Chengalpattu district in the Indian state of Tamil Nadu. The Thiruporur Kandaswamy temple is situated in the center of the town. There is a large temple tank in the vicinity of the temple. Thiruporur is located ...

Sholinghur

Gudiyatham (SC)

Ambur Ambur is a town and municipality in newly announced Tirupattur District, Tamil Nadu, India. It is located on the banks of the Palar River between Chennai and Bangalore. Ambur has a sizeable leather industry, and is known for its spicy biryani an ...

Hosur Hosur is an industrial city located in the Indian state of Tamil Nadu. Hosur is one of the municipal corporations in Tamil Nadu. It is located on the bank of the river River Ponnaiyar, southeast of Bengaluru and west of Chennai, the state ...

Thiruvarur Thiruvarur () also spelt as Tiruvarur is a town and municipality in the Indian state of Tamil Nadu. It is the administrative headquarters of Thiruvarur district and Thiruvarur taluk. The temple chariot of the Thyagaraja temple, weighing and mea ...

Thanjavur Thanjavur (), also Tanjore, Pletcher 2010, p. 195 is a city in the Indian state of Tamil Nadu. Thanjavur is the 11th biggest city in Tamil Nadu. Thanjavur is an important center of South Indian religion, art, and architecture. Most of the Gr ...

Manamadurai (SC)

Andipatti Andipatti or Aundipatty is a municipal body in Theni district in Madurai Region of Tamil Nadu state in southern India. It is on the bank of Vaigai River with rich flora and fauna species. It is a valley surrounded by mountains and there is a ...

Periyakulam (SC)

Sattur Sattur or Saathur () is a town in Virudhunagar district in the Indian States and territories of India, state of Tamil Nadu. As of 2011, the town had a population of 29,398. The town is located in the bank of Vaippar river. Sattur/Saathur taluk ...

Paramakudi (SC)

Vilathikulam Vilathikulam is a selection grade panchayat town in Thoothukudi district in the Indian state of Tamil Nadu. It is a small town near the southern tip of mainland India. Vilathikulam is a little town, on the northern bank of the Vaipar river, wh ...

Aravakurichi Aravakurichi is a panchayat town and a Taluk headquarters in Karur district in the state of Tamil Nadu, India. Aravakurichi is well known in Tamil Nadu as a major market for Moringa oleifera vegetable (commonly known as Drumstick). Aravakurichi ...

Thirupparankundram

Ottapidaram Ottapidaram is a small town in Thoothukudi district and headquarters of Ottapidaram taluk. Ottapidaram is a tourism centre with accessibility to many places in Tamil Nadu. Thoothukudi or Tirunelveli can be easily accessed from anywhere and Ot ...

Sulur

References

{{DEFAULTSORT:Tamil Nadu legislative assembly by-election, 2019-2020 State Assembly elections in Tamil Nadu 2010s in Tamil Nadu 2019 State Assembly elections in India By-elections in Tamil Nadu