Lok Sabha

	1952	1957	1962	1967	1971	1977	1980	1984	1989	1991	1996	1998	1999	2004	2009	2014	2019
Electorate (lakhs)	125.0	152.2	180.0	202.5	220.7	251.2	297.9	329.5	404.1	413.9	455.8	468.5	476.5	474.4	524.9	628.3	700.0
Valid Votes (lakhs)	76.1	104.4	97.3	128.6	130.8	146.8	205.4	253.9	316.6	310.8	367.0	365.2	352.9	370.0	427.3	516.3	572.1
Invalid Votes (lakhs)	n.a.	1.9	3.0	5.1	5.9	4.5	4.9	5.2	5.4	6.8	9.8	5.9	4.7	0.2	-	-	-
Turnout (%)	40.5	47.7	55.8	66.0	61.9	60.2	70.7	78.6	79.7	76.7	82.7	79.3	75.1	78.0	81.4	82.2	81.8

Total Seats	34(6,1)	36(8)	36	40	40	42	42	42	42	42	42	42	42	42	42	42	42
Contested	34	36	36	40	40	42	42	42	42	42	42	42	42	42	42	42	42
Uncontested	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Number of Candidates	148	98	112	140	195	171	285	248	336	393	397	272	309	355	368	472	466

Indian National Congress (Cong),	24(34)	22(35)	22(36)	14(40)	13(31)	3(34)	4(41)	16(42)	4(41)	5(39)	9(42)	1(39)	3(41)	6(37)	6(14)	4(42)	2(40)
(INCI) in 1980	42.1%	48.2%	46.8%	39.7%	28.2%	29.4%	36.5%	48.2%	41.4%	34.9%	40.1%	15.2%	13.3%	14.6%	13.5%	9.6%	5.6%

Bharatiya Janata Party (BJP),	2(6)	0(5)	0(4)	0(7)	0(4)	15(15)	-	0(9)	0(19)	0(42)	0(42)	1(14)	2(13)	0(13)	1(42)	2(42)	18(42)
(BLD) in 1977, (BJS) till 1971	5.9%	1.4%	1.0%	1.4%	0.8%	21.5%		0.4%	1.7%	11.7%	6.9%	10.2%	11.1%	8.1%	6.1%	16.8%	40.3%

Communist Party of India (CPI)	5(9)	6(14)	9(24)	5(11)	3(15)	0(8)	3(3)	3(3)	3(3)	3(3)	3(3)	3(3)	3(3)	3(3)	2(3)	0(3)	0(3)
	9.5%	19.0%	29.4%	9.1%	10.5%	6.5%	4.3%	3.8%	3.9%	3.7%	3.8%	3.6%	3.5%	4.0%	3.6%	2.3%	0.4%

Communist Party of India Marxist (CPM),	0(6)	2(5)	-	5(16)	20(38)	17(20)	28(31)	18(31)	27(31)	27(30)	23(31)	24(32)	21(32)	26(32)	9(32)	2(32)	0(31)
(FBM) till 1957	4.5%	6.4%		15.6%	34.3%	26.1%	39.9%	35.9%	38.4%	35.2%	36.7%	35.4%	35.6%	38.6%	33.1%	22.7%	6.3%

All India Trinamool Congress (TMC),	0(10)	3(5)	0(12)	1(2)	1(3)	-	-	-	-	-	-	7(29)	8(28)	1(29)	19(27)	34(42)	22(42)
(PSP) 57-71, (KMPP) in 1952	8.9%	5.7%	4.5%	1.7%	1.3%							24.4%	26.0%	21.0%	31.2%	39.4%	43.3%

All India Forward Bloc (AIFB)	-	-	1(6)	2(6)	0(10)	3(3)	3(4)	2(4)	3(3)	3(3)	3(3)	2(3)	2(3)	3(3)	2(3)	0(3)	0(3)
			6.3%	4.9%	2.7%	4.3%	4.6%	4.1%	3.9%	3.6%	3.4%	3.3%	3.5%	3.7%	3.0%	2.1%	0.4%

Revolutionary Socialist Party (RSP)	2(4)	-	1(2)	-	1(5)	3(3)	4(4)	3(4)	4(4)	4(4)	4(4)	4(4)	3(4)	3(4)	2(4)	0(4)	0(4)
	2.4%		2.6%		2.0%	3.9%	5.2%	4.6%	4.7%	4.5%	4.8%	4.5%	4.3%	4.5%	3.6%	2.4%	0.4%

Aam Admi Party (AAP)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0(4)	-
																0.0%

Bahujan Samaj Party (BSP)	-	-	-	-	-	-	-	-	0(20)	0(27)	0(4)	0(14)	0(19)	0(36)	0(41)	0(38)	0(37)
									0.3%	0.4%	0.1%	0.2%	0.2%	0.9%	1.0%	0.5%	0.4%

Samajwadi Party (SP)	-	-	-	-	-	-	-	-	-	-	-	-	0(2)	0(15)	0(8)	0(3)	-
													0.0%	0.3%	0.1%	0.1%

Nationalist Congress Party (NCP)	-	-	-	-	-	-	-	-	-	-	-	-	0(10)	0(1)	0(3)	-	-
													0.1%	0.0%	0.1%

Janata Dal United (JDU),	1(6)	0(7)	0(7)	-	-	-	-	-	0(1)	0(2)	0(1)	-	-	0(1)	0(3)	0(1)	-
(JD) 1989-1996, (ABHM) till 1962	4.3%	5.4%	1.0%						0.5%	1.1%	0.4%			0.0%	0.0%	0.0%

Janata Party (JP)	-	-	-	-	-	-	0(35)	0(1)	0(4)	0(20)	-	-	0(4)	-	-	-	-
							4.5%	0.0%	0.1%	0.2%			0.0%

Amara Bengali (AMB),	-	-	-	5(7)	1(14)	-	-	-	0(19)	0(1)	0(13)	0(5)	0(4)	0(4)	0(4)	0(12)	0(5)
(BAC) till 1971				9.4%	4.0%				0.2%	0.0%	0.1%	0.0%	0.0%	0.1%	0.0%	0.1%	0.0%

Gorkha National Liberation Front (GNLF),	-	-	-	-	-	-	0(17)	-	1(1)	-	-	-	-	-	-	-	-
(JPS) in 1980							0.5%		1.4%

Indian National Congress Urs (INCU),	-	-	-	-	0(34)	-	0(18)	-	-	-	-	-	-	-	-	-	-
(INCO) in 1971					7.0%		1.2%

Samyukta Socialist Party (SSP),	-	-	1(1)	1(3)	0(4)	-	-	-	-	-	-	-	-	-
(LSS) in 1962			0.7%	1.5%	0.9%										-	-	-

Others	0(13)	-	0(6)	0(4)	0(9)	0(9)	0(23)	0(24)	0(46)	0(68)	0(60)	0(32)	0(24)	0(31)	0(68)	0(163)	0(146)
	3.9%		1.6%	1.4%	2.5%	1.5%	1.7%	1.1%	1.4%	1.5%	1.7%	2.2%	0.5%	0.9%	1.6%	2.0%	0.9%

Independents (IND)	0(60)	3(27)	2(14)	7(44)	1(28)	1(79)	0(109)	0(130)	0(144)	0(154)	0(194)	0(97)	0(122)	0(146)	1(116)	0(83)	0(113)
	18.5%	13.9%	6.1%	15.3%	5.8%	6.8%	1.6%	1.9%	2.1%	3.2%	2.0%	1.0%	1.9%	3.3%	3.1%	0.9%	1.0%

None of the Above (NOTA)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1.1%	1.0%

Note : Double Member seats are shown in parantheses in Total seats. First figure refers to DM seats and the second to Triple Member seat

JP refers to Janata Party (JP) in 1989

(BLD) Bharatiya Lok Dal, (BJS) Bharatiya Jana Sangh, (JD) Janata Dal, (ABHM) Akhil Bharatiya Hindu Mahasabha, (FBM) Forward Bloc Marxist, (BAC) Bangla Congress, (JPS) Janata Party Secular,

(INCO) Indian National Congress Organisation, (PSP) Praja Socialist Party, (KMPP) Kisan Mazdoor Praja Party, (LSS) Lok Sevak Sangh.

	1952	1957	1962	1967	1971	1977	1980	1984	1989	1991	1996	1998	1999	2004	2009	2014	2019
	Travancore-Cochin
Electorate (lakhs)	42.1	75.1	80.0	86.2	102.2	114.6	132.7	142.8	189.2	196.6	206.7	211.9	220.6	211.3	218.6	243.3	262.0
Valid Votes (lakhs)	34.9	60.5	55.3	62.7	65.3	88.6	81.7	108.9	149.1	142.5	143.8	148.6	153.8	150.9	160.3	179.7	203.9
Invalid Votes (lakhs)	n.a.	0.5	1.2	2.5	0.6	2.2	0.8	1.2	0.9	1.6	3.2	1.1	1.0	neg	-	-	-
Turnout (%)	71.0	66.1	70.5	75.6	64.5	79.2	62.2	77.1	79.3	73.3	71.1	70.7	70.2	71.5	73.4	73.9	77.8

Total Seats	12(1)	18(2)	18	19	19	20	20	20	20	20	20	20	20	20	20	20	20
Contested	12	18	18	19	19	20	20	20	20	20	20	20	20	20	20	20	20
Uncontested	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Number of Candidates	47	58	50	61	67	63	93	151	218	179	232	120	142	177	217	269	227

Indian National Congress (Cong),	6(11)	6(17)	6(14)	1(19)	6(7)	11(11)	5(11)	13(13)	14(17)	13(16)	7(17)	8(17)	8(17)	0(17)	13(17)	8(15)	15(16)
(INCI) in 1980	35.1%	34.8%	34.3%	36.1%	19.7%	29.1%	26.3%	33.3%	41.7%	38.8%	38.0%	38.7%	39.4%	32.1%	40.1%	31.1%	37.3%

Bharatiya Janata Party (BJP),	-	-	0(4)	0(4)	0(3)	0(3)	-	0(5)	0(20)	0(19)	0(18)	0(20)	0(14)	0(19)	0(19)	0(18)	0(15)
(BLD) in 1977, (BJS) till 1971			0.7%	1.4%	1.4%	7.2%		1.7%	4.5%	4.6%	5.6%	8.0%	6.6%	10.4%	6.3%	10.3%	12.9%

Communist Party of India (CPI)	-	9(15)	6(14)	3(3)	3(3)	4(4)	1(2)	0(4)	0(3)	0(4)	2(4)	2(4)	0(4)	3(4)	0(4)	1(4)	0(4)
		37.5%	35.5%	8.0%	9.1%	10.4%	4.1%	7.4%	6.2%	8.1%	8.2%	8.3%	7.6%	7.9%	7.4%	7.6%	6.1%

Communist Party of India Marxist	-	-	-	9(9)	2(11)	0(9)	7(8)	1(10)	2(10)	3(9)	5(9)	6(9)	8(12)	12(13)	4(14)	5(10)	1(14)
(CPM)				24.6%	26.2%	20.3%	21.5%	22.3%	22.9%	20.7%	21.2%	21.0%	27.9%	31.5%	30.5%	21.6%	25.8%

Indian Union Muslim League (IUML)	-	-	2(3)	2(2)	2(2)	2(2)	2(2)	2(2)	2(2)	2(2)	2(2)	2(2)	2(2)	1(2)	2(2)	2(2)	2(2)
			4.5%	6.6%	5.6%	6.0%	5.6%	5.3%	5.2%	5.0%	5.1%	5.0%	5.3%	4.9%	5.1%	4.5%	5.5%

Aam Admi Party (AAP)			-	-	-	-	-	-	-	-	-	-	-	-	-	0(15)	-
																1.4%

Bahujan Samaj Party (BSP)	-	-	-	-	-	-	-	-	0(8)	0(8)	0(3)	0(7)	0(5)	0(14)	0(20)	0(20)	0(16)
									0.1%	0.2%	0.2%	0.1%	0.1%	0.5%	1.3%	0.4%	0.3%

Nationalist Congress Party (NCP)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0(4)	-	-
															0.7%

Kerala Congress-M (KECM),	-	-	-	-	-	-	-	2(2)	1(1)	1(1)	1(1)	1(1)	1(1)	0(1)	1(1)	1(1)	1(1)
(KCJ) in 1984								5.5%	2.4%	2.7%	2.7%	2.4%	2.3%	1.4%	2.5%	2.4%	2.1%

Kerala Congress (KEC)	-	-	-	0(5)	3(3)	2(2)	1(2)	0(1)	0(1)	0(1)	0(1)	0(1)	1(1)	1(1)	0(1)	-	0(1)
				5.1%	8.3%	5.5%	4.4%	2.4%	0.5%	2.2%	2.2%	2.2%	2.4%	2.4%	2.1%		0.8%

Indian Federal Democratic Party (IFDP),	1(1)	1(8)	0(4)	0(1)	0(1)	-	-	-	-	-	-	-	-	1(1)	-	-	-
(PSP) 1957-1971, (TTC) 1952	3.3%	7.2%	9.9%	0.2%	2.2%									1.7%

Janata Dal United (JDU),	0(9)	-	-	3(3)	0(2)	-	-	-	0(1)	0(2)	1(2)	0(2)	0(5)	0(4)	0(2)	0(3)	-
(JD) 89-98, (SSP) 67-71, (SOC) in 1952	13.2%			8.2%	0.9%				1.9%	4.5%	4.4%	3.9%	1.4%	0.1%	0.0%	0.0%

Revolutionary Socialist Party	1(1)	0(3)	1(1)	-	2(2)	1(1)	0(1)	-	0(1)	0(1)	1(1)	1(1)	-	-	-	1(1)	1(1)
(RSP)	6.3%	5.1%	3.6%		6.4%	3.1%	2.3%		2.4%	2.4%	2.5%	2.7%				2.3%	2.5%

Janata Dal Secular (JDS),	-	-	-	-	-	-	0(4)	1(1)	0(17)	0(6)	0(6)	0(1)	-	1(1)	-	0(1)	-
(JP) till 1998							6.7%	2.1%	0.3%	0.1%	0.1%	0.0%		2.3%		1.7%

Indian Congress Socialist (ICS),	-	-	-	-	-	-	3(6)	1(2)	1(1)	1(1)	0(1)	-	-	-	-	-	-
(INCU) in 1980							15.8%	4.4%	2.5%	2.8%	2.3%

Others	0(5)	-	0(1)	0(3)	0(6)	0(6)	0(2)	0(2)	0(4)	0(9))	0(13)	0(12)	0(8)	0(5)	0(10)	0(56)	0(42)
	5.9%		0.1%	2.4%	2.2%	9.7%	2.5%	3.7%	0.0%	0.2%	0.5%	0.9%	2.2%	0.2%	0.2%	4.1%	2.2%

Independents (IND)	4(20)	2(15)	3(9)	1(12)	1(27)	0(25)	1(55)	0(109)	0(132)	0(100)	1(154)	0(43)	0(73)	1(95)	0(123)	2(123)	0(115)
	36.2%	15.4%	11.4%	7.4%	18.0%	8.7%	10.8%	11.9%	9.4%	7.7%	7.0%	6.8%	4.8%	4.6%	3.8%	11.4%	4.0%

None of the Above (NOTA)			-	-	-	-	-	-	-	-	-	-	-	-	-	1.2%	0.5%

Note : Double Member seats are shown in parantheses in Total seats

JP refers to Janata Party (JP) in 1989; ICS refers to ICS(Sarat Chandra Sinha) from 1989-1996

(BLD) Bharatiya Lok Dal, (BJS) Bharatiya Jana Sangh, (JD) Janata Dal, (SSP) Samyukta Socialist Party, (SOC) Socialist Party, (JP) janata Party, (INCU) Indian National Congress Urs,

(KCJ) Kerala Congress J, (PSP) Praja Socialist Party, (TTC) Travancore Tamilnad Congress.

	1952	1957	1962	1967	1971	1977	1980	1984	1989	1991	1996	1998	1999	2004	2009	2014	2019
	Madras
Electorate (lakhs)	269.8	175.1	186.7	208.0	230.6	271.9	281.1	309.6	400.3	399.2	424.9	455.8	477.3	472.5	416.2	551.1	585.0
Valid Votes (lakhs)	199.4	109.5	124.2	154.4	159.5	178.6	184.1	216.1	264.0	246.9	271.9	256.0	272.3	287.1	303.9	406.1	423.7
Invalid Votes (lakhs)	n.a.	3.1	4.2	4.8	6.2	3.9	3.5	9.8	3.6	8.2	12.5	8.1	4.4	0.2	-	-	-
Turnout (%)	56.3	47.8	70.5	76.6	71.8	67.1	66.8	73.0	66.9	63.9	66.9	57.9	58.0	60.8	73.0	73.7	72.5

Total Seats	75(13)	41(7)	41	39	39	39	39	39	39	39	39	39	39	39	39	39	39
Contested	73	40	40	39	39	39	39	39	39	39	39	39	39	39	39	39	38*
Uncontested	2	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Number of Candidates	293	142	152	127	111	195	248	214	506	461	749	296	362	571	823	845	822

Indian National Congress (Cong),	35(74)	31(41)	31(41)	3(39)	9(9)	14(15)	20(22)	25(26)	27(28)	28(28)	0(29)	0(35)	2(11)	10(10)	8(15)	0(39)	8(9)
(INCI) in 1980	36.4%	46.5%	45.3%	41.7%	12.5%	22.3%	31.6%	40.5%	39.9%	42.6%	18.3%	4.8%	11.1%	14.4%	15.0%	4.3%	12.8%

Bharatiya Janata Party (BJP),	-	-	0(1)	0(4)	0(1)	-	-	0(1)	0(3)	0(15)	0(37)	3(5)	4(6)	0(6)	0(18)	1(9)	0(5)
(BLD) in 1977, (BJS) till 1971			0.0%	0.2%	0.1%			0.1%	0.3%	1.6%	2.9%	6.9%	7.1%	5.1%	2.3%	5.5%	3.7%

Communist Party of India (CPI)	8(16)	2(13)	2(14)	0(7)	4(4)	3(3)	0(3)	0(3)	1(2)	0(2)	2(2)	1(2)	0(2)	2(2)	1(3)	0(8)	2(2)
	8.9%	10.1%	10.2%	1.9%	5.4%	4.6%	3.6%	3.4%	2.0%	2.0%	2.3%	2.4%	2.6%	3.0%	2.9%	0.5%	2.4%

Communist Party of India Marxist (CPM),	1(5)	-	-	4(5)	0(6)	0(2)	0(3)	0(3)	0(4)	0(3)	0(7)	0(2)	1(2)	2(2)	1(3)	0(9)	2(2)
(FBM) in 1952	1.7%			6.8%	1.6%	1.6%	3.2%	2.8%	3.7%	2.5%	1.8%	0.6%	2.4%	2.9%	2.2%	0.5%	2.4%

Anna Dravida Munnetra Kazhagam (ADMK),	1(1)	-	0(2)	-	-	17(20)	2(24)	12(12)	11(11)	11(11)	0(10)	18(22)	10(24)	0(33)	9(23)	37(39)	1(21)
(MUL) till 1962	0.4%		1.4%			30.0%	25.4%	18.4%	17.1%	18.1%	7.8%	25.9%	25.7%	29.8%	22.9%	44.3%	18.5%

Dravida Munnetra Kazhagam (DMK),	3(3)	-	7(18)	25(25)	23(24)	2(19)	16(16)	2(27)	0(31)	0(29)	17(17)	5(17)	12(19)	16(16)	18(22)	0(34)	23(23)
(COMW) in 1952	1.6%		18.6%	35.8%	35.2%	18.6%	23.0%	25.9%	26.7%	22.7%	25.6%	20.1%	23.1%	24.6%	25.1%	23.6%	32.8%

Pattali Makkal Katchi (PMK),	6(31)	-	-	-	-	-	-	-	0(32)	0(31)	0(15)	4(5)	5(7)	5(5)	0(6)	1(8)	0(7)
(KMPP) in 1952	9.8%								5.8%	5.1%	2.0%	6.0%	8.2%	6.7%	5.7%	4.4%	5.4%

Marumalarchi Dravida Munnetra Kazhagam	-	-	1(1)	-	1(1)	-	-	-	0(33)	0(28)	0(24)	3(5)	4(5)	4(4)	1(4)	0(7)	-
(MDMK), (TMM) 89-91, (FBL) till 1971			1.4%		1.3%				0.2%	0.2%	4.5%	6.3%	6.0%	5.9%	3.7%	3.5%

Desiya Murpokku Dravida Kazhagam (DMDK),	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0(39)	0(14)	0(4)
															10.1%	5.1%	2.20%

Vidhuthalai Chiruthaigal Katch (VCK),	2(20)	-	0(2)	-	-	-	0(9)	0(5)	0(8)	0(11)	0(2)	1(1)	0(1)	0(28)	1(2)	0(2)	1(1)
(JP) till 2004, (SOC) 1952-1962	5.3%		0.4%				8.0%	4.2%	0.0%	0.2%	0.8%	1.0%	0.1%	0.5%	2.4%	1.5%	1.2%

Aam Admi Party (AAP)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0(24)	-
																0.5%

Bahujan Samaj Party (BSP)	-	-	-	-	-	-	-	-	-	0(2)	-	0(10)	-	0(30)	0(37)	0(39)	0(35)
										0.0%		0.2%		0.6%	0.8%	0.4%	0.4%

Samajwadi Party (SP)	-	-	-	-	-	-	-	-	-	-	-	0(1)	-	0(4)	0(14)	0(8)	-
												0.1%		0.0%	0.1%	0.0%

Nationalist Congress Party (NCP)	-	-	-	-	-	-	-	-	-	-	-	-	0(1)	-	-	-	-
													0.0%

MGR Anna DM Kazhagam (MADK)	-	-	-	-	-	-	-	-	-	-	-	0(3)	1(1)	-	-	-	-
												1.1%	1.5%

Janata Dal United (JDU),	-	-	-	-	-	-	-	-	0(2)	0(5)	0(8)	-	-	0(20)	0(2)	0(1)	-
(JD) till 1996									1.4%	2.9%	1.5%			3.1%	0.0%	0.0%

Tamil Maanila Congress(Moopanar)	-	-	0(16)	6(8)	0(9)	-	-	-	-	-	20(20)	3(20)	0(27)	-	-	-	0(1)
(TMCM), (SWA) till 1971			10.5%	9.2%	9.3%						27.0%	20.2%	7.2%				0.5%

Indian National Congress	4(7)	-	-	-	1(29)	3(18)	-	-	-	-	-	-	-	-	-	-	-
Organisation (INCO), (TNT) in 1952	4.5%				30.4%	17.7%

Indian Union Muslim League (IUML) and	1(1)		0(2)							0(5)						0(1)	1(1)
Muslim League (MUL)	0.4%		1.4%							0.5%						0.5%	1.10%

Others	0(36)	0(7)	0(9)	0(3)	0(1)	0(1)	0(25)	0(8)	0(17)	0(16)	0(39)	0(41)	0(58)	0(20)	0(107)	0(86)	0(168)
	7.9%	3.6%	3.3%	0.3%	1.0%	0.1%	0.8%	2.0%	0.6%	0.2%	2.5%	1.9%	3.7%	0.1%	3.0%	1.9%	8.0%

Independents (IND)	15(100)	8(81)	0(46)	1(36)	1(27)	0(117)	1(146)	0(129)	0(335)	0(275)	0(539)	1(127)	0(198)	0(391)	0(528)	0(517)	0(543)
	23.1%	39.8%	7.5%	4.1%	3.2%	5.1%	4.4%	2.7%	2.3%	1.4%	3.0%	2.5%	1.3%	3.3%	3.8%	2.1%	7.3%

None of the Above (NOTA)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1.4%	1.3%
	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%	100.0%

Note : Double Member seats are shown in parantheses in Total seats

* excludes Vellore which was countermanded and election was held later

JP refers to Janata Party (JP) in 1989

(BLD) Bharatiya Lok Dal, (BJS) Bharatiya Jana Sangh, (JD) Janata Dal, (FBM) Forward Bloc Marxist, (SOC) Socialist Party, (MUL) Muslim League, (COMW) Commonweal, (KMPP) Kisan Mazdoor Praja Party, (JP) Janata Party, (TMM) Tharasu Makkal Mandram, (FBL) Forward Bloc, (SWA) Swatantra Party, (TNT) Tamilnad Toilers.

	1952	1957	1962	1967	1971	1977	1980	1985	1989	1991	1996	1998	1999	2004	2009	2014	2019
Electorate (lakhs)	41.4	45.0	49.4	57.4	62.7	72.3	12.1	101.0	-	118.7	125.9	142.8	142.9	150.1	174.7	188.4	220.5
Valid Votes (lakhs)	26.5	22.9	24.9	29.9	30.3	38.2	6.3	74.7	-	84.6	94.2	83.7	99.1	103.7	121.4	150.8	179.9
Invalid Votes (lakhs)	n.a.	0.2	1.1	1.9	1.5	1.4	0.1	3.5	-	4.8	4.6	3.4	2.7	neg	-	-	-
Turnout (%)	48.0	46.1	45.1	59.3	50.7	54.9	53.4	77.4	-	75.3	78.5	61.1	71.3	69.1	69.5	80.1	81.6

Total Seats	12(2)	12(2)	12	14	14	14	14	14	-	14	14	14	14	14	14	14	14
Contested	12	10	12	13	14	14	2	14	-	14	14	14	14	14	14	14	14
Uncontested	-	2	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-
Number of Candidates	40	31	41	47	78	40	7	106	-	167	137	101	115	116	158	162	145

Indian National Congress (Cong),	11(11)	9(12)	9(12)	10(14)	13(13)	10(14)	2(2)	4(13)	-	8(14)	5(14)	10(13)	10(14)	9(14)	7(13)	3(13)	3(14)
(INCI) in 1980	45.7%	51.7%	45.2%	45.8%	57.0%	50.6%	51.0%	23.4%		28.5%	31.6%	39.0%	38.4%	35.1%	34.9%	29.6%	35.4%

Bharatiya Janata Party (BJP),	0(2)	-	-	0(3)	0(1)	3(11)	-	0(2)	-	2(8)	1(14)	1(14)	2(12)	2(12)	4(7)	7(13)	9(10)
(BLD) in 1977, (BJS) till 1971	3.6%			5.5%	2.5%	35.8%		0.4%		9.6%	15.9%	24.5%	29.8%	22.9%	16.2%	36.5%	36.1%

Communist Party of India (CPI)	-	0(3)	0(4)	1(4)	0(5)	0(2)	-	0(2)	-	0(4)	-	0(1)	0(1)	0(1)	0(3)	0(1)	0(2)
		10.3%	7.1%	8.3%	5.6%	1.4%		1.4%		2.2%		1.0%	0.6%	1.7%	0.9%	0.2%	0.2%

Communist Party of India Marxist	-	-	-	-	0(2)	0(1)	0(1)	0(2)	-	1(2)	1(2)	0(2)	0(2)	0(2)	0(3)	0(3)	0(2)
(CPM)					1.4%	2.9%	9.2%	3.4%		4.7%	3.9%	3.3%	1.8%	0.7%	0.7%	0.4%	0.2%

Communist Party of India Marxist Lennist	-	-	-	-	-	-	0(2)	0(10)	-	0(6)	0(1)	0(2)	1(3)	0(3)	0(4)	0(5)	-
Liberation (CPIML), (JP) till 1991							8.0%	3.6%		0.7%	0.1%	0.2%	2.3%	1.1%	0.5%	0.3%

Aam Admi Party (AAP)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0(8)	-
																0.2%

Janata Dal United (JDU),	-	-	-	-	-	-	-	-	-	0(6)	0(5)	0(1)	-	0(1)	-	-	-
(JD) till 1998										5.2%	0.7%	0.1%		1.2%

Nationalist Congress Party (NCP)	-	-	-	-	-	-	-	-	-	-	-	-	0(8)	-	0(3)	-	0(2)
													0.5%		0.2%		0.10%

Samajwadi Party (SP)	-	-	-	-	-	-	-	-	-	-	0(3)	0(4)	0(6)	0(4)	0(6)	0(7)	0(1)
											0.3%	1.1%	0.2%	1.1%	0.2%	0.2%	0.00%

Asom Gana Parishad (AGP),	-	-	1(1)	1(1)	1(1)	-	-	7(7)	-	1(14)	5(11)	0(10)	0(8)	2(12)	1(6)	0(12)	0(3)
(AHLC) till 1971			3.7%	3.8%	3.0%			26.8%		17.6%	27.2%	12.7%	11.9%	20.0%	14.6%	3.8%	8.2%

All india United Democratic Front (AIUDF),	-	-	-	0(1)	0(1)	-	-	1(3)	-	0(2)	-	0(1)	-	-	1(9)	3(10)	1(3)
(PTCA) 1985-1998, (SWA) till 1971				1.0%	0.2%			4.2%		1.0%		0.2%			16.1%	14.8%	7.8%

Autonomous State Demand	-	2(7)	2(8)	2(4)	0(5)	-	-	-	-	1(1)	1(1)	1(1)	-	0(1)	0(1)	-	0(1)
Committee (ASDC), (PSP) till 1971		20.0%	19.2%	12.8%	4.6%					1.7%	1.9%	2.2%		1.0%	1.0%		0.2%

United Minorities Front (UMF)	-	-	-	-	-	-	-	-	-	0(3)	0(3)	1(1)	0(2)	0(2)	-	-	-
										2.4%	2.6%	4.3%	0.5%	0.6%

Bodaland Peoples Front (BOPF),	1(8)	-	0(2)	-	-	-	-	-	-	0(11)	-	-	-	-	1(2)	0(2)	0(1)
(NAGP) in 1991, (SOC) till 1962	19.2%		2.9%							5.9%					5.4%	2.2%	2.5%

Indian Congress Socialist (ICS),	-	-	-	-	0(10)	-	0(2)	1(8)	-	0(5)	0(1)	-	-	-	-	-	-
(INCO) in 1971					2.9%		31.8%	6.1%		2.1%	0.2%

Others	0(10)	-	0(1)	0(2)	0(9)	0(3)	-	0(2)	-	0(19)	0(17)	0(6)	0(15)	0(17)	0(28)	0(30)	0(61)
	17.8%		1.2%	3.7%	4.9%	1.7%		0.6%		4.3%	3.9%	2.0%	4.6%	1.2%	1.7%	1.3%	4.0%

Independents (IND)	0(9)	1(9)	0(13)	0(18)	0(31)	1(9)	-	1(57)	-	1(72)	1(65)	1(45)	1(44)	1(47)	0(73)	1(58)	1(45)
	13.7%	18.1%	20.7%	19.1%	17.9%	7.6%		30.1%		14.2%	11.7%	9.5%	9.4%	13.4%	7.6%	9.5%	4.3%

None of the Above (NOTA)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1.0%	1.0%

Note :

Double Member seats are shown in parantheses in Total seats
ICS refers to ICS(Sarat Chandra Sinha) from 1991-1996
Elections were not held in 12 constituencies in 1980; Elections were held on December 5, 1985, almost one year after the 1984 General Elections
Elections were not held in 1989

(BLD) Bharatiya Lok Dal, (BJS) Bharatiya Jana Sangh, (INCO) Indian National Congress Organisation, (JP) Janata Party, (JD) Janata Dal), (AHLC) All Party Hill Leaders Conference, (PSP) Praja Socialist Party, (PTCA) Plain Tribals Council of Assam,

(SWA) Swatantra Party, (NAGP) Natun Asom Gana Parishad, (SOC) Socialist Party.

	1952	1957	1962	1967	1971	1977	1980	1984	1989	1991	1996	1998	1999	2004	2009	2014	2019
Electorate (lakhs)	-	-	-	2.2	2.5	3.0	3.2	3.8	5.7	5.9	6.3	6.7	7.0	6.4	7.6	9.0	9.7
Valid Votes (lakhs)	-	-	-	1.6	1.7	2.2	2.5	2.7	3.8	3.9	4.6	4.1	4.4	4.8	6.1	7.4	7.9
Invalid Votes (lakhs)	-	-	-	-	-	-	0.1	0.1	0.1	0.1	0.2	0.1	-	neg	-	-	-
Turnout (%)	-	-	-	74.9	70.1	73.6	80.4	72.3	66.7	67.7	75.4	62.8	63.3	76.1	79.8	82.1	81.2

Total Seats	-	-	-	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Contested	-	-	-	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Uncontested	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Number of Candidates	-	-	-	3	4	4	3	10	11	13	21	9	9	21	28	30	18

Indian National Congress (Cong),	-	-	-	1(1)	1(1)	-	1(1)	1(1)	1(1)	1(1)	1(1)	0(1)	1(1)	-	1(1)	0(1)	1(1)
(INCI) in 1980				39.8%	66.3%		66.4%	58.9%	50.5%	53.1%	40.0%	32.1%	37.2%		49.4%	26.4%	56.3%

Bharatiya Janata Party (BJP)	-	-	-	-	-	-	-	-	-	0(1)	0(1)	-	-	0(1)	0(1)	-	-
										2.0%	4.4%			35.7%	2.2%

Communist Party of India (CPI)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0(1)	-
																1.7%

Pattali Makkal Katchi (PMK),	-	-	-	-	-	-	0(1)	-	0(1)	0(1)	0(1)	-	0(1)	1(1)	0(1)	0(1)	-
(JP) in 1980							26.7%		6.6%	3.4%	4.3%		31.7%	50.0%	34.3%	3.1%

Dravida Munnetra Kazhagam (DMK)	-	-	-	-	-	-	-	0(1)	0(1)	0(1)	0(1)	1(1)	-	-	-	0(1)	-
								36.1%	41.6%	35.8%	39.9%	41.1%				8.2%

All India N R Congress (AINRC)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1(1)	0(1)
																34.6%	31.4%

Aam Admi Party (AAP)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0(1)	-
																1.1%

Bahujan Samaj Party (BSP)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0(1)	0(1)
																0.3%	0.3%

Janata Dal United (JDU)	-	-	-	-	-	-	-	-	-	-	-	-	-	0(1)	--	0(1)	-
														5.7%		0.0%

Tharasu Makkal Mandaram (TMM),	-	-	-	-	-	-	0(1)	-	0(1)	0(1)	-	-	-	-	-	-	-
(JPS) in 1980							6.9%		0.2%	0.9%

Anna Dravida Munnetra Kazhagam (ADMK)	-	-	-	-	-	1(1)	-	-	-	-	-	0(1)	-	-	-	0(1)	-
						53.3%						25.1%				17.9%

Desiya Murpokku Dravida Kazhagam (DMDK)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0(1)	-	-
															8.7%

Indian Congress Socialist (ICS),	-	-	-	-	0(1)	0(1)	-	0(1)	-	-	0(1)	0(1)	-	-	-	-	-
(INCO) till 1977					28.0%	44.4%		0.7%			0.8%	0.3%

Rashtriya Lok Dal (RLD), (LKDB) 1989,	-	-	-	0(1)	-	-	-	-	0(1)	-	-	-	-	-	-	-	-
(PFR) in 1967				26.9%					0.3%

Tamil Maanila Congress Moopanar (TAMC)	-	-	-	-	-	-	-	-	-	-	-	-	0(1)	-	-	-	-
													25.2%

Others	-	-	-	-	-	-	-	-	-	0(4)	0(3)	0(3)	-	0(4)	0(6)	0(2)	0(7)
										2.2%	4.2%	1.2%		1.3%	1.1%	0.1%	8.5%

Independents (IND)	-	-	-	0(1)	0(2)	0(2)	-	0(7)	0(6)	0(4)	0(13)	0(2)	0(6)	0(14)	0(18)	0(19)	0(8)
				33.3%	5.8%	2.2%		4.4%	0.8%	2.6%	6.4%	0.2%	5.9%	7.3%	4.3%	3.6%	2.0%

None of the Above (NOTA)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3.0%	1.5%

Note : ICS refers to ICS(Sarat Chandra Sinha) in 1996

(DMK) Anna Dravida Munnetra Kazhagam, (INCO) Indian National Congress Organisation, (LKDB) Lok Dal Bahuguna, (PFR) Peoples Front, (JP) Janata Party, (JPS) Janata Party Secular.