Chakma Autonomous District Council (CADC) members Anil Kanti Chakma was elected on Friday as deputy chairman of the council.
The post has remained vacant since Mohesh Boran Chakma resigned from the post on 21 April this year.
He was the lone candidate who has filed nomination for election to the post on Thursday.
He was declared elected uncontested in a sitting of the council on Friday.
Anil Kanti Chakma contested and won the council general election in 2018 from Bajeisora constituency onBJP ticket.
He later joined the Mizo National Front (MNF).
He had also successfully contested the council polls in 2008.