1999 Andhra Pradesh Legislative Assembly election

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All 294 seats in the Andhra Pradesh Legislative Assembly 148 seats needed for a majority
Registered	49,654,389
Turnout	34,334,842 (69.15%) 1.87%
Majority party Minority party   Leader N. Chandrababu Naidu Y. S. Rajasekhara Reddy Party TDP INC Alliance NDA – Leader since 1995 1999 Leader's seat Kuppam (won) Pulivendla (won) Last election 216 seats, 44.14% 26 seats, 33.85% Seats won 180 91 Seat change 36 65 Popular vote 14,613,307 13,526,309 Percentage 43.87% 40.61% Swing 0.27% 6.76%
Chief Minister before election N. Chandrababu Naidu TDP Chief Minister after election N. Chandrababu Naidu TDP

The 1999 Andhra Pradesh Legislative Assembly election was conducted in 3 phases simultaneously with the 1999 Indian general election for the 11th Andhra Pradesh Assembly. The election was held on 4 September 1999, 11 September 1999 and 17 September 1999 for 91, 105 and 98 constitutencies respectively. The election concluded with the Telugu Desam Party sweeping the polls with 180 seats and forming the government once again.^[1]

The incumbent Chief Minister N. Chandrababu Naidu led Telugu Desam Party swept the polls along with Bharatiya Janata Party as part of pre-poll alliance where Naidu agreed to extend his outside support to the Atal Bihari Vajpayee government in the simultaneous 1999 general election.^[2][3]

The Telugu Desam Party bagged enough numbers i.e 180 seats (majority) and formed the government for another term.^[4] N. Chandrababu Naidu was once again invited to form the government by the governor C. Rangarajan^[5][6]

The other new parties like Anna Telugu Desam Party led by Nandamuri Harikrishna and NTR Telugu Desam Party led by Lakshmi Parvathi although managed to split the voting share of the Naidu led Telugu Desam Party but did not gain any single seat in the election.^[7] The opposition Indian National Congress led by Y. S. Rajasekhara Reddy was only restricted to 91 seats.

Source:^[9]

Alliance/Party				Flag	Symbol	Leader	Seats contested
	NDA		Telugu Desam Party			N. Chandrababu Naidu	269	293
			Bharatiya Janata Party			C. Vidyasagar Rao	24
	Indian National Congress					Y. S. Rajasekhar Reddy	293
	LF		Communist Party of India (Marxist)			B. V. Raghavulu	48	93
			Communist Party of India			N. Narsimhaiah Yadav[a]	45
	All India Majlis-e-Ittehadul Muslimeen					Akbaruddin Owaisi	5
	NTR Telugu Desam Party (LP)					Lakshmi Parvathi	71
	Anna Telugu Desam Party					Nandamuri Harikrishna	191

The polling in the naxal effected Narasaraopet was concluded with over 60% of voting. People abstained from voting in two booths at Sarangapalli village in response to a poll boycott given by the Naxalites of the banned Peoples War Group (Maoist).^[10]

Another incident of bomb blast took place in the same naxal affected constituency. The polling in the constituency, which was scheduled for the first phase on September 5, was postponed after the bomb blast at the residence-cum-nursing home of Panchayat Raj Minister Kodela Siva Prasada Rao, in which four people including an independent candidate were killed.^[11][12]

Source: Election Commission of India

Alliance/Party				Popular vote			Seats
				Votes	%	±pp	Contested	Won	+/−
	NDA		Telugu Desam Party	14,613,307	43.87	0.27	269	180	36
			Bharatiya Janata Party	1,223,481	3.67	0.22	24	12	9
		Total		15,836,788	47.54	N/A	293	192	N/A
	Indian National Congress			13,526,309	40.61	6.76	293	91	65
	All India Majlis-e-Ittehadul Muslimeen			360,211	1.08	0.38	5	4	3
	LF		Communist Party of India (Marxist)	567,761	1.70	1.26	48	2	13
			Communist Party of India	539,700	1.62	1.77	45	0	19
		Total		1,107,461	3.32	N/A	93	2	N/A
	Other parties			885,832	2.67	N/A	658	0	N/A
	Independents			1,593,015	4.78	3.88	762	5	7
Total				33,309,616	100.00	N/A	2,104	294	N/A
Vote statistics
Valid votes				33,309,616	97.05
Invalid votes				1,011,948	2.95
Votes cast/ turnout				34,334,842	69.15
Abstentions				15,319,547	30.85
Registered voters				49,654,389