List of former constituencies of the Lok Sabha

This is a list of former constituencies of the Lok Sabha of India, organised by date of abolition. It does not include constituencies which were merely renamed.

Bombay (2)
The constituencies came into existence in 1951. With the implementation of States Reorganisation Act, 1956, it ceased to exist when these places of erstwhile Bombay State got merged with Mysore State in 1956.
 * 1) Belgaum North constituency replaced by Chikkodi constituency of Karnataka
 * 2) Belgaum South constituency replaced by Belgaum constituency of Karnataka.

Hyderabad (2)
The constituencies came into existence in 1951. With the implementation of States Reorganisation Act, 1956, it ceased to exist when these places of erstwhile Hyderabad State got merged with Mysore State in 1956.
 * 1) Kushtagi constituency replaced by Koppal constituency of Karnataka
 * 2) Yadgir constituency replaced by Raichur constituency of Karnataka

Madras (2)
The constituencies came into existence in 1951. With the implementation of States Reorganisation Act, 1956, it ceased to exist when these places of erstwhile Madras State got merged with Mysore State in 1956.
 * 1) South Kanara (North) constituency replaced by Udupi constituency of Karnataka
 * 2) South Kanara (South) constituency replaced by Mangalore constituency of Karnataka.

Mysore (1)

 * 1) Hassan Chickmagalur constituency

Constituencies abolished in 1966
Some of the Constituencies were abolished before 1967 Lok Sabha Elections. The Lok Sabha constituencies, abolished as a result were as follows:

Maharashtra (1)

 * 1) Gondia constituency

Mysore (3)

 * 1) Bijapur North constituency replaced by Bijapur constituency of Karnataka
 * 2) Bijapur South constituency replaced by Bagalkot constituency of Karnataka
 * 3) Tiptur constituency
 * 4) Bangalore City constituency

Constituencies abolished in 1976
The recommendations of the Delimitation Commission constituted in 1973 to redraw the boundaries of the Lok Sabha constituencies and their reservation status were approved in 1976. The Lok Sabha constituencies, abolished as a result were as follows:

Andhra Pradesh (2)

 * 1) Gudivada constituency
 * 2) Kavali constituency

Assam (1)

 * 1) Cachar constituency

Karnataka (2)

 * 1) Bangalore constituency
 * 2) Madhugiri constituency
 * 3) Hoskote constituency

Kerala (5)

 * 1) Thiruvalla constituency
 * 2) Ambalapuzha constituency
 * 3) Peermade constituency
 * 4) Thalassery constituency
 * 5) Muvattupuzha constituency

Maharashtra (1)

 * 1) Khamgaon constituency

Uttar Pradesh (1)

 * 1) Dehradun constituency replaced by Haridwar constituency

Constituencies abolished in 2008
The most recent Delimitation Commission was constituted on July 12, 2002. The recommendations of the commission were approved by the Presidential notification on February 19, 2008. The Lok Sabha constituencies, abolished as a result were as follows:

Andhra Pradesh (7)

 * 1) Bhadrachalam constituency
 * 2) Bobbili constituency
 * 3) Hanamkonda constituency
 * 4) Miryalguda constituency
 * 5) Parvathipuram constituency
 * 6) Siddipet constituency
 * 7) Tenali constituency

Bihar (10)

 * 1) Bagaha constituency
 * 2) Balia constituency
 * 3) Barh constituency
 * 4) Bettiah constituency
 * 5) Bikramganj constituency
 * 6) Chapra constituency
 * 7) Motihari constituency
 * 8) Patna constituency
 * 9) Rosera constituency
 * 10) Saharsa constituency

Chhattisgarh (1)

 * 1) Sarangarh constituency

Delhi (3)

 * 1) Delhi Sadar constituency
 * 2) Karol Bagh constituency
 * 3) Outer Delhi constituency

Gujarat (4)

 * 1) Ahmedabad constituency
 * 2) Kapadvanj constituency
 * 3) Mandvi constituency
 * 4) Dhandhuka constituency

Haryana (2)

 * 1) Bhiwani constituency
 * 2) Mahendragarh constituency

Karnataka (6)

 * 1) Chikmagalur constituency, partially merged Udupi Chikmagalur constituency
 * 2) Dharwad North constituency replaced by Dharwad constituency
 * 3) Dharwad South constituency replaced by Haveri constituency
 * 4) Kanakapura constituency replaced by Bangalore Rural constituency
 * 5) Mangalore constituency replaced by Dakshina Kannada constituency
 * 6) Udupi constituency, partially merged Udupi Chikmagalur constituency

Kerala (6)

 * 1) Adoor constituency
 * 2) Chirayinkil constituency
 * 3) Manjeri constituency
 * 4) Muvattupuzha constituency
 * 5) Mukundapuram constituency
 * 6) Ottapalam constituency

Madhya Pradesh (2)

 * 1) Seoni constituency
 * 2) Shajapur constituency

Maharashtra (15)

 * 1) Bhandara constituency
 * 2) Chimur constituency
 * 3) Dahanu constituency
 * 4) Erandol constituency
 * 5) Ichalkaranji constituency
 * 6) Karad constituency
 * 7) Khed constituency
 * 8) Kolaba constituency
 * 9) Kopargaon constituency
 * 10) Malegaon constituency
 * 11) Pandharpur constituency
 * 12) Rajapur constituency
 * 13) Ratnagiri constituency
 * 14) Washim constituency
 * 15) Yavatmal constituency

Odisha (2)

 * 1) Deogarh constituency
 * 2) Phulbani constituency

Punjab (3)

 * 1) Phillaur constituency
 * 2) Ropar constituency
 * 3) Tarn Taran constituency

Rajasthan (5)

 * 1) Bayana constituency replaced by Karauli–Dholpur constituency
 * 2) Jhalawar constituency replaced by Jhalawar–Baran constituency
 * 3) Salumber constituency replaced by Rajsamand constituency
 * 4) Sawai Madhopur constituency replaced by Tonk–Sawai Madhopur constituency
 * 5) Tonk constituency replaced by Jaipur Rural constituency

Tamil Nadu (12)

 * 1) Chengalpattu constituency replaced by Kancheepuram constituency
 * 2) Gobichettipalayam constituency replaced by Tiruppur constituency
 * 3) Nagercoil constituency replaced by Kanyakumari constituency
 * 4) Palani constituency split between Dindigul constituency and Karur constituency
 * 5) Periyakulam constituency replaced by Theni constituency
 * 6) Pudukkottai constituency split between Karur constituency, Ramanathapuram constituency, Sivaganga constituency, Thanjavur constituency and Tiruchirapalli constituency
 * 7) Rasipuram constituency replaced by Kallakurichi constituency and Namakkal constituency
 * 8) Sivakasi constituency split between Tenkasi constituency, Thoothukudi constituency and Virudhunagar constituency
 * 9) Tindivanam constituency replaced by Viluppuram constituency
 * 10) Tiruchendur constituency split between Kanyakumari constituency, Tirunelveli constituency and Thoothukudi constituency
 * 11) Tiruchengode constituency split between Erode constituency, Namakkal constituency and Salem constituency
 * 12) Vandavasi constituency replaced by Arani constituency and Tiruvannamalai constituency

Uttar Pradesh (11)

 * 1) Balrampur constituency
 * 2) Bilhaur constituency
 * 3) Chail constituency
 * 4) Ghatampur constituency
 * 5) Hapur constituency
 * 6) Jalesar constituency
 * 7) Khalilabad constituency
 * 8) Khurja constituency
 * 9) Padrauna constituency
 * 10) Saidpur constituency
 * 11) Shahabad constituency

Uttarakhand (1)

 * 1) Nainital constituency replaced by Nainital–Udhamsingh Nagar constituency

West Bengal (8)

 * 1) Burdwan constituency
 * 2) Calcutta North West constituency
 * 3) Calcutta North East constituency
 * 4) Durgapur constituency
 * 5) Katwa constituency
 * 6) Malda constituency
 * 7) Nabadwip constituency
 * 8) Panskura constituency

Anglo-Indian reserved seats in the Lok Sabha
Between 1952 and 2020, two seats were reserved in the Lok Sabha, the lower house of the Parliament of India, for members of the Anglo-Indian community. These two members were nominated by the President of India on the advice of the Government of India. In January 2020, the Anglo-Indian reserved seats in the Parliament and State Legislatures of India were abolished.

Delimitation of Jammu and Kashmir parliament and assembly constituencies in 2022

 * 1) Anantnag (New Anantnag–Rajouri Lok Sabha constituency carved out from existing Anantnag Lok Sabha constituency and Jammu Lok Sabha constituency)

Assam Delimitation of Parliamentary and Assembly constituencies in 2023

 * 1) Mangaldoi (Merged with Darrang–Udalguri Lok Sabha constituency)
 * 2) Kaliabor (New Kaziranga Lok Sabha constituency carved out from erstwhile Kaliabor and some extent of Nowgong Lok Sabha constituency)
 * 3) Tezpur Lok Sabha constituency (renamed as Sonitpur Lok Sabha constituency)
 * 4) Autonomous District (renamed as Diphu Lok Sabha constituency)