Indian National Congress suffered a collapse, losing power to a wave of independent candidates instead.

They won 92 of the 126 seats on offer, standing officially as Independent candidates.

It was a landslide, with IND candidates finishing 28 seats clear of the majority mark.

The INC fell to 25 seats, down sharply from before.

IND candidates took 61.5% of the vote to the INC's 23.2%.

The Assam Accord was signed on 15 August 1985, and movement leaders soon founded the Asom Gana Parishad. Its president, Prafulla Kumar Mahanta, led the new party into the December election.¹

AGP's manifesto made 29 pledges, headlined by full and immediate implementation of the Accord and protection of Assamese language and cultural identity, under the slogan "Sonar Asom," or Golden Assam.²

The Indian National Congress, led by Chief Minister Hiteswar Saikia, contested every seat except Lakhimpur. Its own manifesto backed implementing the Accord and assured minorities their rights would be safe only under Congress rule.³

Minorities opposed to the Accord organised behind the new United Minorities Front, led by Kalipada Sen, which proposed later cutoff dates for migrants and citizenship for those who arrived between 1966 and 1971.⁴

Almost the whole assembly changed hands this time, as independents moved into seats INC had held.

67 of its seats flipped to IND, the single largest flow among the 84 seats that changed hands.

Turnout, the share of registered voters who actually cast a ballot, jumped +45.1 pp from the disrupted election before it.

That made it the highest turnout Assam had recorded up to that point.

Mankachar, Assam was decided by 5 votes, the tightest finish of the election.

Patacharkuchi, Assam saw the widest margin, 86.2% of the vote.

Barpeta, Assam recorded the best turnout of any seat, 92.7%.

Gauhati East, Assam was the largest constituency by registered voters, with 1,18,795 on its rolls.

Moran, Assam drew the most candidates, 21 names on the ballot.

Turnout reached 75.1% statewide — the highest Assam had recorded up to that point, in the first election held after the Assam Accord ended six years of agitation.¹

The North-Eastern Areas Reorganisation Act took effect on 21 January 1972, carving Manipur, Tripura and Meghalaya out of the old state of Assam and setting its present boundaries.⁵

The previous election, in February 1983, was held amid an AASU-led boycott and the Nellie massacre, and recorded a turnout of 32.74%.⁶

That agitation ended with the Assam Accord on 15 August 1985, and movement leaders founded the Asom Gana Parishad soon after, with Prafulla Kumar Mahanta becoming Chief Minister once it won power.¹