As soon as the Kerala state was formed after combining with the Travancore it was under the President’s rule. The first election was conducted in March 1957. In the beginning there were 126 Assembly Constituencies and 16 Parliamentary Constituencies. But today there are 140 Assembly Constituencies and 20 Parliamentary Constituencies.

These 140 Assembly constituency seats are reserved for various categories. Out of 140 seats, 126 are reserved for the general candidates. The remaining is reserved for the Schedule Castes and Schedule Tribes.

The elections in Assembly Constituencies and Parliamentary are conducted by the Returning Officer (R.O.). In each districts of Kerala, the Returning officers are none other than the district collectors.

Kerala Assembly constituencies

1	Adoor	48	Kodakara	95	Parur
2	Alathur	49	Kodungallur	96	Pathanamthitta
3	Alleppey	50	Koduvally	97	Pathanapuram
4	Alwaye	51	Kollengode	98	Pattambi
5	Ambalapuzha	52	Kondotty	99	Payyannur
6	Ankamali	53	Konni	100	Peermade
7	Aranmula	54	Kothamangalam	101	Perambra
8	Ariyanad	55	Kottarakara	102	Peravoor
9	Aroor	56	Kottayam	103	Peringalam
10	Attingal	57	Kovalam	104	Perinthalmanna
11	Azhicode	58	Kundara	105	Perumbavoor
12	Badagara	59	Kunnamangalam (SC)	106	Piravom
13	Balusseri	60	Kunnamkulam	107	Ponnani
14	Beypore	61	Kunnathunad	108	Poonjar
15	Calicut-I	62	Kunnathur (SC)	109	Punaloor
16	Calicut-II	63	Kuthuparamba	110	Puthuppally
17	Cannanore	64	Kuttanad	111	Quilandy
18	Chadayamangalam	65	Kuttippuram	112	Quilon
19	Chalakudi	66	Mala	113	Ranni
20	Changanacherry	67	Malampuzha	114	Sherthalai
21	Chathanoor	68	Malappuram	115	Sreekrishnapuram
22	Chavara	69	Manalur	116	Sultan’s Battery
23	Chelakara (SC)	70	Manjeri	117	Taliparamba
24	Chengannur	71	Manjeswar	118	Tanur
25	Cherpu	72	Mankada	119	Tellicherry
26	Chittur	73	Mannarkkad	120	Thiruvalla
27	Coyalmannam (SC)	74	Mararikulam	121	Thiruvambadi
28	Devicolam (SC)	75	Mattancherry	122	Thodupuzha
29	Edakkad	76	Mavelikara	123	Thrippunithura
30	Eravipuram	77	Meppayur	124	Thrithala (SC)
31	Ernakulam	78	Muvattupuzha	125	Tirur
32	Ettumanoor	79	Nadapuram	126	Tirurangadi
33	Guruvayoor	80	Narakal (SC)	127	Trichur
34	Haripad	81	Nattika	128	Trikkarpur
35	Hosdrug (SC)	82	Nedumangad	129	Trivandrum East
36	Idukki	83	Neduvathur (SC)	130	Trivandrum North
37	Irikkur	84	Nemom	131	Trivandrum West
38	Irinjalakuda	85	Neyyattinkara	132	Udma
39	Kaduthuruthy	86	Nilambur	133	Udumbanchola
40	Kallooppara	87	North Wynad (ST)	134	Vadakkekara
41	Kalpetta	88	Ollur	135	Vaikom (SC)
42	Kanjirappally	89	Ottapalam	136	Vamanapuram
43	Karunagapally	90	Palai	137	Varkala
44	Kasaragod	91	Palghat	138	Vazhoor
45	Kayamkulam	92	Palluruthy	139	Wadakkancherry
46	Kazhakuttam	93	Pandalam (SC)	140	Wandoor (SC)
47	Kilimanoor (SC)	94	Parassala