The Congress Legislature Party in Mizoram unanimously elected Lal Thanhawla as its leader at a meeting held here on Wednesday.
As the party's chief ministerial candidate, Lal Thanhawla is likely to call on the state governor on Thursday to stake claim to form the next government.
The oath taking ceremony is expected to be held on Saturday.
Lal Thanhawla is all set to be chief minister of Mizoram for a fifth term.
He won a seat in the Mizoram State Assembly from both Serchhip and Hrangturzo.
He was elected to the assembly for a record ninth time since 1978.
The Congress won a two-third majority in the Mizoram Assembly polls, winning 33 of 39 seats.
