The saffron party won 60 of the 126 seats, its allies Asom Gana Parishad nine and United Peoples Party (Liberal) six. Congress bagged 29 seats, its partner All India United Democratic Front 16 and Bodo Democratic Front four.
The constituencies spread across lower and central Assam will have 12,699 polling stations where 1,04,35,271 voters will be able exercise their franchise.
While the BPF and the UPPL are considered rivals in the Bodo-dominated areas, there was no pre-poll alliance among other parties as well.
The BJP-led alliance in Assam is all set to form the government for the second successive term winning 72 of the 102 seats declared so far and is leading in three others.
A direct contest between nominees of the BJP-led NDA and Congress-headed Grand Alliance is on the cards in 20 constituencies
The AGP had in January withdrew its support to the BJP government in Assam in protest against the Centre's decision to go ahead with the Citizenship (Amendment) Bill.
Sarbananda Sonowal was on Tuesday sworn in as the 14th chief minister of Assam in the presence of Prime Minister Narendra Modi, Bharatiya Janata Party president Amit Shah and other dignitaries at a huge public function at Khanapara field.
A high voter turnout was recorded in West Bengal, Assam Kerala, Tamil Nadu and Puducherry assembly elections on Tuesday. The massive polling exercise following COVID-19 health protocol and involving lakhs of personnel began at 7 am and the last hour from 6 pm to 7 pm was set aside for COVID-19 patients and those under isolation. The counting of votes in the states will be held on May 2.