Lal Bahadur Nagar Assembly constituency is a constituency of Telangana Legislative Assembly, India. Created shortly before the 2009 general elections, it is one among 14 constituencies in Ranga Reddy district. It is part of 24 constituencies of GHMC and part of Malkajgiri Lok Sabha constituency. It covers the city of Lal Bahadur Nagar and its surroundings.

The assembly constituency presently comprises the following mandals:

Mandal
Hayath Nagar
Saroornagar

It is a newly formed constituency, created just before the 2009 general election; as per Delimitation Act of 2002.

The assembly constituency presently comprises the following neighbourhoods:

Neighbourhood	Districts
L. B. Nagar	Ranga Reddy
Karmanghat
Lingojiguda
Vanasthalipuram
Hayath Nagar
Dilsukhnagar	Ranga Reddy
Saroornagar (part)
Gaddiannaram (part)
B. N. Reddy Nagar	Ranga Reddy

Duration	Member	Political party
2009-14	D. Sudheer Reddy		Indian National Congress
2014-2018	R. Krishnaiah		Telugu Desam Party
2018-2023	D. Sudheer Reddy		Indian National Congress
2023-present			Bharat Rashtra Samithi

2023 Telangana Legislative Assembly election: Lal Bahadur Nagar

Party		Candidate	Votes	%	±%
	BRS	D. Sudheer Reddy	111,380
	BJP	Sama Ranga Reddy	89,075
	INC	Madhu Yashki Goud	83,273
	NOTA	None of the Above
Majority			22,305
Turnout
	BRS gain from INC		Swing

2018 Telangana Legislative Assembly election: Lal Bahadur Nagar

Party		Candidate	Votes	%	±%
	INC	D. Sudheer Reddy	114,242	46.66
	TRS	M. Ram Mohan Goud	96,303	39.33
	BJP	Shekar Rao Perala	21,563	8.81
	NOTA	None of the Above	3,085	1.26
Majority			17,939
Turnout			2,44,841	49.58
	INC gain from TDP		Swing

2014 Telangana Legislative Assembly election: Lal Bahadur Nagar

Party		Candidate	Votes	%	±%
	TDP	R. Krishnaiah	84,316	33.61
	TRS	M.Ram Mohan Goud	71,791	28.62
	INC	D. Sudheer Reddy	56,489	22.52
	YSRCP	Putha Pratap Reddy	19,376	7.72
	LSP	Dosapati Ramu	8,888	3.54
Majority			12,525
Turnout			2,50,852	47.36
	TDP gain from INC		Swing

17°21′25″N 78°33′04″E / 17.357°N 78.551°E / 17.357; 78.551