Elections to the Orissa Legislative Assembly were held in February 2000 to elect members of the 147 constituencies in Orissa, India. The BJP and BJD fought election together as NDA. The National Democratic Alliance won the most seats and Naveen Pattanaik was appointed as the Chief Minister of Orissa. The number of constituencies was set as 147 by the recommendation of the Delimitation Commission of India.
====== As per prepoll alliance, seats where divided into 4:3 ratio.
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Due to poor handling of 1999 Odisha cyclone and rise in corruption & criminal cases etc. led to rise of unpopularity of Congress, which eventually led to their dismissal performance in 2000 election.
Chief Minister Naveen Patnaik along with 14 Cabinet Ministers, 6 Minister of State with Independent Charges and 4 Minister of State were administered the oath of office and secrecy by Governor M. M. Rajendran at the Raj Bhavan, Bhubaneswar on 5 March 2000. The BJD had the larger share of representation in the ministry with 16 ministers including the Chief Minister while the BJP had 9.