Allahabad South is one of five assembly constituencies in the Allahabad Lok Sabha constituency. Since 2008, this assembly constituency is numbered 263 amongst 403 constituencies.

Currently this seat belongs to Bharatiya Janta Party candidate Nand Gopal Gupta Nandi who won in last Assembly election of 2017 Uttar Pradesh Legislative Elections defeating Samajwadi Party candidate Parvez Ahmad by a margin of 28,587 votes.

Members of Legislative Assembly

Year	Winner	Party	Ref.
1957	Kalyan Chandra Mohiley	Praja Socialist Party
1962	Kalyan Chandra Mohiley	Praja Socialist Party
1967	Kalyan Chandra Mohiley	Samyukta Socialist Party
1969	Ram Gopal Sand	Bharatiya Jana Sangh
1974	Satya Prakash Malaviya	Bharatiya Kranti Dal
1977	Satya Prakash Malaviya	Janata Party
1980	Satish Chandra Jaiswal	Indian National Congress (I)
1985	Satish Chandra Jaiswal	Indian National Congress
1989	Keshari Nath Tripathi	Bharatiya Janata Party
1991	Keshari Nath Tripathi	Bharatiya Janata Party
1993	Keshari Nath Tripathi	Bharatiya Janata Party
1996	Keshari Nath Tripathi	Bharatiya Janata Party
2002	Keshari Nath Tripathi	Bharatiya Janata Party
2007	Nand Gopal Gupta	Bahujan Samaj Party
2012	Haji Parvej Ahmad	Samajwadi Party
2017	Nand Gopal Gupta	Bharatiya Janata Party

Election results

2022

2022 Uttar Pradesh Legislative Assembly election: Prayagraj South

Party		Candidate	Votes	%	±%
	BJP	Nand Gopal Gupta	97,864	54.14	1.61
	SP	Raish Chandra Shukla	71,682	39.66	3.28
	BSP	Devendra Mishra	4,208	2.33	4.54
	AIMIM	Mohammad Farhan	1,533	0.85	0.36
	AAP	Dr. Altaf Ahmad	1,115	0.62	New
	NOTA	None of the Above	831	0.46	0.09
Majority			26,182	14.48	1.67
Turnout			1,80,745
	BJP hold		Swing

2017

2017 Uttar Pradesh Legislative Assembly election: Prayagraj South

Party		Candidate	Votes	%	±%
	BJP	Nand Gopal Gupta (Nandi)	93,011	52.53
	SP	Haji Parvez Ahmad (Tanki)	64,424	36.38
	BSP	Masooq Khan	12,162	6.87
	PECP	Aqeelur Rahman	872	0.49
	AIMIM	Syed Afzaal Muzib	868	0.49
	NOTA	None of the Above	665	0.37
Majority			28,587	16.15
Turnout			1,77,087	45.16
	BJP gain from SP		Swing

2012

2012 Uttar Pradesh state assembly election: Prayagraj South

Party		Candidate	Votes	%	±%
	SP	Haji Parvez Ahmad (Tanki)	43,040	29.44
	BSP	Nand Gopal Gupta (Nandi)	42,626	29.16
	BJP	Keshari Nath Tripathi	33,399	22.85
	INC	Ch. Jitendra Nath Singh	19,121	13.08
	PECP	Mohd. Julfikar Khan	4,092	2.80
Majority			414	0.28
Turnout			1,46,174	45.05
	SP gain from BSP		Swing