Radhakrishnan Nagar Assembly constituency

For the 2019 Tamil film, see RK Nagar (film).

Radhakrishnan Nagar (Dr. Radhakrishnan Nagar) or R. K. Nagar, is a legislative assembly constituency in the Indian state of Tamil Nadu. Its State Assembly Constituency number is 11. It is part of Chennai North Lok Sabha constituency. It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu, in India.

Radhakrishnan Nagar
Constituency No. 11 for the Tamil Nadu Legislative Assembly
Constituency details
Country	India
Region	South India
State	Tamil Nadu
District	Chennai
Lok Sabha constituency	Chennai North
Established	1977
Total electors	262,980[1]
Member of Legislative Assembly
16th Tamil Nadu Legislative Assembly
Incumbent J. John Ebenezer
Party	DMK
Elected year	2021

Members of the Legislative Assembly

Assembly	Duration	Winner	Party
Sixth	1977–80	Isari Velan		All India Anna Dravida Munnetra Kazhagam
Seventh	1980–84	V. Rajasekaran		Indian National Congress (I)
Eighth	1984–89	S. Venugopal		Indian National Congress
Ninth	1989–91	S. P. Sarkunam		Dravida Munnetra Kazhagam
Tenth	1991–96	E. Madhusudhnan		All India Anna Dravida Munnetra Kazhagam
Eleventh	1996-01	S. P. Sarkunam		Dravida Munnetra Kazhagam
Twelfth	2001–06	P. K. Sekar Babu		All India Anna Dravida Munnetra Kazhagam
Thirteenth	2006–11
Fourteenth	2011–15	P. Vetrivel
	2015–16^	J. Jayalalithaa[2]
Fifteenth	2016-16
	2017–21^	T. T. V. Dhinakaran[3]		Independent
Sixteenth	2021–present	J. John Ebenezer		Dravida Munnetra Kazhagam

^by-election

Election results

Vote share of winning candidates

2021			51.67%
2017 by-election			50.32%
2016			55.87%
2015 by-election			88.43%
2011			59.04%
2006			50.36%
2001			58.43%
1996			62.12%
1991			60.30%
1989			45.31%
1984			50.71%
1980			48.62%
1977			35.57%

2021

2021 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar

Party		Candidate	Votes	%	±%
	DMK	J. John Ebenezer	95,763	51.2	+37.26
	AIADMK	R. S. Raajesh	53,284	28.49	+1.18
	NTK	K. Gowrishankar	20,437	10.93	+8.78
	MNM	Fazil. A	11,198	5.99	+5.99
	AMMK	Dr. P. Kalidas	1,852	0.99	−49.33
Margin of victory			42,479	22.92%	0.20%
Turnout			185,323	70.47%	2.11%
Rejected ballots			291	0.16%
Registered electors			262,980
	DMK gain from AMMK		Swing	-4.19%

2017 by-election

2017 Tamil Nadu Legislative Assembly By-election: Dr. Radhakrishnan Nagar^[4][5][6]

Party		Candidate	Votes	%	±%
	Independent	T. T. V. Dhinakaran	89,013	50.32	N/A
	AIADMK	E. Madhusudhnan	48,306	27.31	−28.56
	DMK	N. Marudhu Ganesh	24,651	13.94	−19.2
	NTK	Kalaikottuthayam	3,802	2.15	N/A
	None of the Above	NOTA	2,373	1.34	−0.31
Margin of victory			40,707	23.01	+0.28
Turnout			1,76,890	77.68	+9.32
	Independent gain from AIADMK		Swing

2016

2016 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar

Party		Candidate	Votes	%	±%
	AIADMK	J. Jayalalithaa	97,218	55.87	−32.56
	DMK	Shimla Muthuchozhan	57,673	33.14	+33.14
	VCK	V. Vasanthi Devi	4,195	2.41	+2.41
	PMK	F. Agnes	3,011	1.73	+1.73
	BJP	M. N. Raja	2,928	1.68	+1.68
	NOTA	None of the Above	2,873	1.65	+0.35
Margin of victory			39,545	22.73	−60.36
Turnout			1,74,015	68.36	−6.22
	AIADMK hold		Swing	-32.57

2015 by-election

2015 By-election: Dr. Radhakrishnan Nagar

Party		Candidate	Votes	%	±%
	AIADMK	J. Jayalalithaa	1,60,432	88.43	+29.41
	CPI	C. Mahendran	9,710	5.35	+5.35
	Independent	K. R. Ramaswamy	4,590	2.53	+2.53
	PPI(S)	R. Rajamohan Abraham	746	0.41	+0.41
	Independent	P. Ponraj	537	0.29	+0.29
	NOTA	None of the Above	2,376	1.30	+1.30
Margin of victory			1,50,722	83.08	+61.06
Turnout			1,81,420	74.58	−2.10
	AIADMK hold		Swing	+29.41

2011

2011 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar^[7]

Party		Candidate	Votes	%	±%
	AIADMK	P. Vetrivel	83,777	59.04%	+8.68
	DMK	P. K. Sekar Babu	52,522	37.01%	New
	BJP	K. R. Vinayagam	1,300	0.92%	−0.19
Margin of victory			31,255	22.03%	11.26%
Turnout			141,904	72.70%	2.62%
Registered electors			195,179
	AIADMK hold		Swing	8.68%

2006

2006 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar^[8]

Party		Candidate	Votes	%	±%
	AIADMK	P. K. Sekar Babu	84,462	50.36%	−8.07
	INC	R. Manohar	66,399	39.59%	New
	DMDK	P. Mohamed Jan	11,716	6.99%	New
	BJP	K. P. Prem Ananth	1,858	1.11%	New
	Independent	K. Rajendran	1,030	0.61%	New
Margin of victory			18,063	10.77%	−10.55%
Turnout			167,730	70.08%	23.08%
Registered electors			239,326
	AIADMK hold		Swing	-8.07%

2001

2001 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar^[9]

Party		Candidate	Votes	%	±%
	AIADMK	P. K. Sekar Babu	74,888	58.43%	+31.93
	DMK	S. P. Sarguna Pandian	47,556	37.10%	−25.02
	MDMK	N. Manogaran	3,621	2.83%	−5.27
	Independent	K. Manikandan	669	0.52%	New
Margin of victory			27,332	21.32%	−14.30%
Turnout			128,175	47.01%	−9.44%
Registered electors			272,666
	AIADMK gain from DMK		Swing	-3.70%

1996

1996 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar^[10]

Party		Candidate	Votes	%	±%
	DMK	S. P. Sarguna Pandian	75,125	62.12%	New
	AIADMK	R. M. D. Raveendran	32,044	26.50%	−33.8
	MDMK	G. V. Siva	9,788	8.09%	New
	AIIC(T)	M. Panneerselvam	1,369	1.13%	New
	BJP	T. A. G. Parthiban	1,149	0.95%	+0.38
Margin of victory			43,081	35.63%	13.07%
Turnout			120,928	56.45%	−0.41%
Registered electors			220,586
	DMK gain from AIADMK		Swing	1.83%

1991

1991 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar^[11]

Party		Candidate	Votes	%	±%
	AIADMK	E. Madhusudhanan	66,710	60.30%	+35.26
	JD	V. Rajasekaran	41,758	37.74%	New
	IUML	A. M. Gulam Huseien	941	0.85%	New
	BJP	V. R. Jaganathan	636	0.57%	New
Margin of victory			24,952	22.55%	2.28%
Turnout			110,639	56.86%	−10.73%
Registered electors			199,052
	AIADMK gain from DMK		Swing	14.99%

1989

1989 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar^[12]

Party		Candidate	Votes	%	±%
	DMK	S. P. Sarguna Pandian	54,216	45.31%	−1.81
	AIADMK	E. Madhusudhanan	29,960	25.04%	New
	Independent	V. Rajasekaran	20,731	17.32%	New
	INC	Venugopal	12,863	10.75%	−39.96
Margin of victory			24,256	20.27%	16.68%
Turnout			119,660	67.59%	0.58%
Registered electors			179,625
	DMK gain from INC		Swing	-5.40%

1984

1984 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar^[13]

Party		Candidate	Votes	%	±%
	INC	S. Venugopal	54,334	50.71%	+2.09
	DMK	S. P. Sarguna Pandian	50,483	47.12%	New
Margin of victory			3,851	3.59%	−4.34%
Turnout			107,147	67.01%	4.65%
Registered electors			162,902
	INC hold		Swing	2.09%

1980

1980 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar^[14]

Party		Candidate	Votes	%	±%
	INC	V. Rajasekaran	44,076	48.62%	+36.26
	AIADMK	Isari Velan	36,888	40.69%	+5.12
	JP	K. Arumugasamy	8,685	9.58%	New
Margin of victory			7,188	7.93%	6.07%
Turnout			90,648	62.36%	17.19%
Registered electors			146,769
	INC gain from AIADMK		Swing	13.05%

1977

1977 Tamil Nadu Legislative Assembly election: Dr. Radhakrishnan Nagar^[15]

Party		Candidate	Votes	%	±%
	AIADMK	Isari Velan	28,416	35.57%	New
	DMK	R. D. Seethapathy	26,928	33.71%	New
	JP	K. Arumugaswamy	14,449	18.09%	New
	INC	T. N. Anandanayaki	9,876	12.36%	New
Margin of victory			1,488	1.86%
Turnout			79,881	45.17%
Registered electors			178,751
	AIADMK win (new seat)