# Kolkata Dakshin Lok Sabha constituency

Kolkata Dakshin Lok Sabha constituency (earlier known as Calcutta South Lok Sabha constituency) is one of the 543 Lok Sabha (parliamentary) constituencies in India. The constituency centres on the southern part of Kolkata in West Bengal. While four of the seven legislative assembly segments on No. 23 Kolkata Dakshin Lok Sabha constituency are in Kolkata district, three are in South 24 Parganas district.
Considered to be a bastion of the Trinamool Congress, it has been won by the party since its formation in 1998. Prior to it, the seat was a stronghold of Indian National Congress. TMC's founder and current chief minister of West Bengal, Mamata Banerjee was the longest holder of the seat.

## Assembly segments

As per order of the Delimitation Commission in respect of the Delimitation of constituencies in the West Bengal, Kolkata Dakshin Lok Sabha constituency is composed of the following legislative assembly segments from 2009:
| No | Name | District | Member | Party | 2024 Lead |
| 149 | Kasba | South 24 Parganas | Javed Ahmed Khan | Trinamool Congress | Trinamool Congress |
| 153 | Behala Purba | South 24 Parganas | Ratna Chatterjee | Trinamool Congress | Trinamool Congress |
| 154 | Behala Paschim | South 24 Parganas | Partha Chatterjee | Independent | Trinamool Congress |
| 158 | Kolkata Port | Kolkata | Firhad Hakim | Trinamool Congress | Trinamool Congress |
| 159 | Bhabanipur | Kolkata | Mamata Banerjee | Trinamool Congress | Trinamool Congress |
| 160 | Rashbehari | Kolkata | Debasish Kumar | Trinamool Congress | Trinamool Congress |
| 161 | Ballygunge | Kolkata | Babul Supriyo | Trinamool Congress | Trinamool Congress |

## Members of Parliament

| Lok Sabha | Duration | Name | Party |
| First | 1952-57 | Syama Prasad Mukherjee | Bharatiya Jana Sangh |
| Constituency renamed from Calcutta South East to Calcutta East |||||
| Second | 1957-62 | Sadhan Gupta | Communist Party of India |
| Third | 1962-67 | Ranendranath Sen | Communist Party of India |
| Constituency renamed from Calcutta East to Calcutta South |||||
| Fourth | 1967-71 | Ganesh Ghosh | Communist Party of India (Marxist) |
| Fifth | 1971-77 | Priya Ranjan Dasmunsi | Indian National Congress |
| Sixth | 1977-80 | Dilip Chakravarty | Janata Party |
| Seventh | 1980-84 | Satya Sadhan Chakrabarty | Communist Party of India (Marxist) |
| Eighth | 1984-89 | Bholanath Sen | Indian National Congress |
| Ninth | 1989-91 | Biplab Dasgupta | Communist Party of India (Marxist) |
| Tenth | 1991-96 | Mamata Banerjee | Indian National Congress |
| Eleventh | 1996-98 | Mamata Banerjee | Indian National Congress |
| Twelfth | 1998-99 | Mamata Banerjee | Trinamool Congress |
| Thirteenth | 1999-04 | Mamata Banerjee | Trinamool Congress |
| Fourteenth | 2004-09 | Mamata Banerjee | Trinamool Congress |
| Constituency renamed from Calcutta South to Kolkata Dakshin |||||
| Fifteenth | 2009-11 | Mamata Banerjee | Trinamool Congress |
| Fifteenth | 2011-14^ | Subrata Bakshi | Trinamool Congress |
| Sixteenth | 2014-19 | Subrata Bakshi | Trinamool Congress |
| Seventeenth | 2019-24 | Mala Roy | Trinamool Congress |
| Eighteenth | 2024-Incumbent | Mala Roy | Trinamool Congress |
^By-Poll

## Election results
### General election 2024

2024 Indian general election: Kolkata Dakshin :
| Party | Party | Candidate | Votes | % | ±% |
| | AITC | Mala Roy | 893,977 | 71.84 | 22.75 |
| | BJP | Debasree Chaudhuri | 1,10,000 | 8.84 | 25 |
| | CPI(M) | Saira Shah Halim | 239,511 | 19.22 | 10.02 |
| | NOTA | None of the above | 6,423 | 0.42 | 0.81 |
| Majority | Majority | Majority | 6,54,466 | 52.63 | |
| Turnout | Turnout | Turnout | 12,43,477 | | |
| | AITC hold | AITC hold | Swing | | |

### General election 2019

2019 Indian general elections: Kolkata Dakshin :
| Party | Party | Candidate | Votes | % | ±% |
| | AITC | Mala Roy | 573,119 | 47.50 | +10.55 |
| | BJP | Chandra Kumar Bose | 417,927 | 34.64 | +9.36 |
| | CPI(M) | Nandini Mukherjee | 140,275 | 11.63 | −12.17 |
| | INC | Mita Chakraborty | 42,618 | 3.53 | −6.18 |
| | NOTA | None of the Above | 14,824 | 1.23 | −0.43 |
| Majority | Majority | Majority | 155,102 | 12.85 | +1.18 |
| Turnout | Turnout | Turnout | 1,207,076 | 69.82 | +0.52 |
| | AITC hold | AITC hold | Swing | +10.55 | |

### General election 2014

2014 Indian general elections: Kolkata Dakshin :
| Party | Party | Candidate | Votes | % | ±% |
| | AITC | Subrata Bakshi | 431,715 | 36.95 | −20.24 |
| | BJP | Tathagata Roy | 2,95,376 | 25.28 | +21.33 |
| | CPI(M) | Nandini Mukherjee | 2,79,414 | 23.83 | −11.56 |
| | INC | Mala Roy | 1,13,453 | 9.71 | +9.71 |
| | NOTA | None of the Above | 19,511 | 1.67 | +1.67 |
| Majority | Majority | Majority | 1,36,339 | 11.67 | −10.13 |
| Turnout | Turnout | Turnout | 11,67,986 | 69.30 | +2.41 |
| | AITC hold | AITC hold | Swing | −25.75 | |

### Bye election 2011

A bye election was held in this constituency in 2011 which was necessitated by the resignation of sitting MP Mamata Banerjee and her subsequent election to the State Assembly from the Bhabanipur Assembly constituency. In the by-election, Subrata Bakshi of Trinamool Congress defeated his nearest rival Ritabrata Banerjee of CPI(M) by 2,30,099 votes.
Bye-election, 2011: Kolkata Dakshin :
| Party | Party | Candidate | Votes | % | ±% |
| | AITC | Subrata Bakshi | 516,761 | 62.70 | +5.51 |
| | CPI(M) | Ritabrata Banerjee | 2,86,662 | 34.78 | −0.61 |
| | Independent | S. K. Biswas | 8,068 | 0.98 | +0.98 |
| | Independent | Debashish Ghosh | 7,049 | 0.86 | +0.86 |
| | Independent | Ranjit Kumar Dutta | 5,596 | 0.68 | +0.68 |
| Majority | Majority | Majority | 2,30,099 | 27.92 | +6.12 |
| Turnout | Turnout | Turnout | 8,24,231 | 52.82 | −14.07 |
| | AITC hold | AITC hold | Swing | +5.51 | |

### General election 2009

2009 Indian general elections: Kolkata Dakshin :
| Party | Party | Candidate | Votes | % | ±% |
| | AITC | Mamata Banerjee | 576,045 | 57.19 | +6.09 |
| | CPI(M) | Rabin Deb | 3,56,474 | 35.39 | −2.91 |
| | BJP | Jyotsna Banerjee | 39,744 | 3.95 | |
| | BSP | Paresh Chandra Roy | 6,745 | 0.67 | |
| | IND | Yusuf Jamal Siddique | 6,042 | 0.60 | |
| | IUML | Asif Md | 5,896 | 0.59 | |
| Majority | Majority | Majority | 2,19,571 | 21.80 | |
| Turnout | Turnout | Turnout | 10,07,225 | 66.89 | |
| | AITC hold | AITC hold | Swing | | |

### General election 2004

General Election, 2004: Calcutta South :
| Party | Party | Candidate | Votes | % | ±% |
| | AITC | Mamata Banerjee | 393,561 | 51.10 | −7.26 |
| | CPI(M) | Rabin Deb | 295,132 | 38.30 | +6.62 |
| | INC | Nafisa Ali | 60,377 | 7.80 | |
| | Independent | Sujit Kumar Roy | 4,782 | 0.60 | |
| | BSP | Kusha Ram | 4,431 | 0.60 | |
| | Independent | Bandana Das | 4,130 | 0.50 | |
| | Independent | Mukul Paul | 2,524 | 0.30 | |
| | Independent | Ranjit Banerjee | 2,306 | 0.30 | |
| | Independent | Barnali Mukherjee | 2,258 | 0.30 | |
| | Independent | Santu Mukherjee | 1,708 | 0.20 | |
| | Independent | Bhushan Mondal | 1,533 | 0.20 | |
| Majority | Majority | Majority | 98,429 | 12.8% | |
| Turnout | Turnout | Turnout | 7,70,828 | 70.3% | |
| | AITC hold | AITC hold | Swing | | |

### General election 1999

General Election, 1999: Calcutta South :
| Party | Party | Candidate | Votes | % |
| | AITC | Mamata Banerjee | 469,103 | 58.26 |
| | CPI(M) | Subhankar Chakraborty | 2,55,095 | 31.68 |
| | INC | Partha Roy Chowdhury | 51,735 | 6.43 |
| | CPI(ML) | Dr. Partha Sarathi Ghosh | 6,186 | |
| | BSP | Mohammed Sahabuddun | 6,091 | 0.76 |
| | Independent | Ranjan Kumar Das | 5.841 | |
| | Independent | Murari Mohan Ghosh | 4,512 | |
| | Independent | Priya Nath Banerjee | 2,740 | |
| | Independent | Kabita Mukherjee | 2,160 | |
| | Independent | Bandana Biswas | 1,658 | |
| Majority | Majority | Majority | 2,14,008 | 26.6 |
| Turnout | Turnout | Turnout | 8,05,121 | 66.96 |
| | AITC hold | AITC hold | Swing | |

### General election 1998

General Election, 1998: Calcutta South :
| Party | Party | Candidate | Votes | % |
| | AITC | Mamata Banerjee | 503,551 | 59.37 |
| | CPI(M) | Prasanta Kumar Sur | 279,470 | 32.95 |
| | INC | Sougata Roy | 56,725 | 6.69 |
| | Independent | Partha Sarathi Ghosh | 1,937 | 0.23 |
| | RJD | Salik Ram Shaw | 1,498 | 0.18 |
| | Independent | G.Joseph | 1.497 | 0.18 |
| | Independent | Rina Sutradhar | 1,447 | 0.17 |
| | Independent | Adrish Bhattacharya | 1,236 | 0.15 |
| | Independent | Addy Samir Kumar | 493 | 0.06 |
| | Independent | Paresh Nath Bandyopadhyay | 340 | 0.04 |
| Majority | Majority | Majority | 2,24,081 | 27.7 |
| Turnout | Turnout | Turnout | 8,05,121 | 66.96% |
| | AITC gain from INC | AITC gain from INC | Swing | |

### General election 1996

General Election, 1996: Calcutta South :
| Party | Party | Candidate | Votes | % |
| | INC | Mamata Banerjee | 438,252 | 52.50 |
| | CPI(M) | Bharati Mukherjee | 3,34,991 | 40.10 |
| | BJP | Santi Roy | 45,066 | 5.30 |
| | Independent | Bulu Chatterjee | 3,439 | 0.40 |
| | Independent | Sushil Chandra Majumdar | 1,869 | 0.20 |
| | Independent | D. Guha | 1,755 | 0.20 |
| | Independent | Tripti Das | 1,589 | 0.20 |
| | Independent | Bandana Biswas | 1,572 | 0.20 |
| | All India Indira Congress (Tiwari) | Yasmeen Sen Gupta | 1,527 | 0.20 |
| | Independent | Lalita Seth | 1,482 | 0.20 |
| | Independent | Ramagardi Yadav | 1,285 | 0.20 |
| | Independent | Bablu Dutta | 958 | 0.10 |
| | Independent | Murari Mohan Ghosh | 798 | 0.10 |
| Majority | Majority | Majority | 1,03,261 | 12.1 |
| Turnout | Turnout | Turnout | 8,52,458 | 73.0 |
| | INC hold | INC hold | Swing | |

### General election 1991

General Election, 1991: Calcutta South :
| Party | Party | Candidate | Votes | % |
| | INC | Mamata Banerjee | 367,896 | 52.46 |
| | CPI(M) | Biplab Dasgupta | 2,74,233 | 39.10 |
| | BJP | Somraj Dutta | 50,541 | 7.21 |
| | Independent | Ashok kumar Roy Chowdhury | 1,958 | 0.28 |
| | Independent | Sushil Chandra Majumdar | 1,779 | 0.25 |
| | BSP | Parimal Kanti Ray | 1,121 | 0.16 |
| | Independent | Priti Mazumder | 877 | 0.13 |
| | Independent | Bandana Biswas | 837 | 0.12 |
| | Doordarshi Party | Hari Shankar Shah | 792 | 0.11 |
| | Independent | Hajranchhor Chand Bhandari | 548 | 0.08 |
| | Independent | Bhagwan Das Nathany | 413 | 0.06 |
| | Independent | Arun Ghosh | 295 | 0.04 |
| | Independent | Murari Mohan Ghosh | 798 | 0.10 |
| Majority | Majority | Majority | 93,663 | |
| Turnout | Turnout | Turnout | 7,01,290 | 68.50 |
| | INC gain from CPI(M) | INC gain from CPI(M) | Swing | |

### General election 1989

General Election, 1989: Calcutta South :
| Party | Party | Candidate | Votes | % |
| | CPI(M) | Biplab Dasgupta | 363,674 | 50.07 |
| | INC | Bholanath Sen | 3,38,518 | 46.61 |
| | BJP | Jnanendra Banerjee | 18,418 | 2.54 |
| | Independent | Sankar Som Banerjee | 2,213 | 0.30 |
| | Independent | Sourendta Nath Mitra | 1,459 | 0.20 |
| | Independent | Arun Ghosh | 1,065 | 0.15 |
| | Independent | Utpal Roy | 996 | 0.14 |
| Majority | Majority | Majority | 25,156 | |
| Turnout | Turnout | Turnout | 7,26,343 | 73.02 |
| | CPI(M) gain from INC | CPI(M) gain from INC | Swing | |

### General election 1984

General Election, 1984: Calcutta South :
| Party | Party | Candidate | Votes | % |
| | INC | Bholanath Sen | 324,823 | 56.93 |
| | CPI(M) | Satyasadhan Chakraborty | 235,884 | 41.34 |
| | BJP | Mridula Mukherjee | 2,544 | 0.45 |
| | Independent | SK Sultan | 2,543 | 0.45 |
| | Independent | Dinesh Gupta | 1,274 | 0.22 |
| | Independent | M.K.Ratnam | 1,097 | 0.19 |
| | Independent | Chandan Banik | 872 | 0.15 |
| | Independent | Shyam Sundar Thakur | 789 | 0.14 |
| | Independent | Souren Mitra | 740 | 0.13 |
| | Independent | Chandan Banik | 872 | 0.14 |
| Majority | Majority | Majority | 88,939 | |
| Turnout | Turnout | Turnout | 570,566 | 72.52% |
| | INC gain from CPI(M) | INC gain from CPI(M) | Swing | |

### General election 1980

General Election, 1980: Calcutta South :
| Party | Party | Candidate | Votes | % |
| | CPI(M) | Satyasadhan Chakraborty | 213,441 | 45,20 |
| | INC(I) | Bholanath Sen | 176,432 | 41.34 |
| | JP | Dilip Chakravartty | 32,747 | 6.90 |
| | INC(U) | Priya Ranjan Dasmunsi | 28,531 | 6.00 |
| | SUCI | Subir Basu Roy | 5,001 | 1.01 |
| | Independent | Anil Kumar Banerjee | 2,102 | 0.40 |
| | Independent | Subrata Chatterjee | 1,462 | 0.30 |
| | Independent | Sunil Prasad Roy | 1,425 | 0.14 |
| | Independent | Shakya Sen | 1,053 | 0.20 |
| | Independent | Karuna Nidhan Roy | 495 | 0.10 |
| | Independent | Rabi Chowdhury | 456 | 0.10 |
| Majority | Majority | Majority | 37,009 | (7.8%) |
| Turnout | Turnout | Turnout | 4,72,722 | 61.5 |
| | CPI(M) gain from BLD | CPI(M) gain from BLD | Swing | |

### General elections 1951-2014

Calcutta South constituency came into existence in 1967. However, different constituencies existed in the area. Results of such constituencies are also included here. Most of the contests were multi-cornered. However, only winners and runners-up are mentioned below:
| Year | Constituency | Voters | Voter Turnout | Winner | % | Party | Runners up | % | Party |
| 1951 | Calcutta South East | 144,065 | 37.91 | Ashim Krishna Dutt | 51.11 | INC | Bankim Chandra Bhattacharyya | 27.37 | Independent |
| 1951 | Calcutta South East | 144,614 | 37.91 | Syama Prasad Mookerjee | 44.97 | BJS | Mriganka Mohan Sur | 30.46 | INC |
| 1957 | Calcutta East | 188,647 | 46.73 | Biren Roy | 50.33 | IND. | Ashim Krishna Dutt | 43.68 | INC |
| 1957 | Calcutta East | 228,712 | 46.0 | Sadhan Chandra Gupta | 62.68 | CPI | Ranadeb Chowdhury | 35.47 | INC |
| 1967 | Calcutta East | 320,419 | 68.03 | Ranendra Nath Sen | 56.88 | CPI | Sailendra Nath Mukherjee | 43.12 | INC |
| 1967 | Calcutta South | 317,171 | 62.60 | Ganesh Ghosh | 50.28 | CPI(M) | B. B. Ghosh | 37.58 | INC |
| 1971 | Calcutta South | 296,088 | 59.00 | Priya Ranjan Dasmunsi | 50.65 | INC | Ganesh Ghosh | 42.95 | CPI(M) |
| 1977 | Calcutta South | 398,560 | 60.92 | Dilip Chakravarty | 58.08 | JP | Priya Ranjan Dasmunsi | 40.59 | INC |
| 1980 | Calcutta South | 472,700 | 61.54 | Satya Sadhan Chakrabarty | 46.09 | CPI(M) | Bhola Nath Sen | 38.09 | INC(I) |
| 1984 | Calcutta South | 582,370 | 72.52 | Bhola Nath Sen | 56.93 | INC | Satya Sadhan Chakrabarty | 41.34 | CPI(M) |
| 1989 | Calcutta South | 740,080 | 73.02 | Biplab Dasgupta | 50.07 | CPI(M) | Bhola Nath Sen | 46.61 | INC |
| 1991 | Calcutta South | 714,400 | 68.5 | Mamata Banerjee | 52.46 | INC | Biplab Dasgupta | 39.1 | CPI(M) |
| 1996 | Calcutta South | 852,460 | 73.02 | Mamata Banerjee | 52.51 | INC | Bharati Mukherjee | 40.54 | CPI(M) |
| 1998 | Calcutta South | 877,430 | 74.44 | Mamata Banerjee | 59.37 | AITC | Prasanta Sur | 32.95 | CPI(M) |
| 1999 | Calcutta South | 805,270 | 66.96 | Mamata Banerjee | 58.26 | AITC | Subhankar Chakraborty | 31.68 | CPI(M) |
| 2004 | Calcutta South | 772,740 | 70.46 | Mamata Banerjee | 50.93 | AITC | Rabin Deb | 38.19 | CPI(M) |
| 2009 | Kolkata Dakshin | 1,007,225 | 66.89 | Mamata Banerjee | 57.19 | AITC | Rabin Deb | 35.39 | CPI(M) |
| 2011 | Kolkata Dakshin | 824,136 | 52.82 | Subrata Bakshi | 62.70 | AITC | Ritabrata Banerjee | 34.78 | CPI(M) |
| 2014 | Kolkata Dakshin | 11,67,986 | 69.30 | Subrata Bakshi | 36.95 | AITC | Tathagata Roy | 25.28 | BJP |