Khiangte submitted his resignation to speaker Hiphei at the latter’s residence, who accepted his resignation the same day.
When asked, Khiangte, refused to comment on reason for his resignation and said that he would reveal the matter and his future course of action to media at a press conference on Tuesday.
Khiangte was dropped by the Congress from its official candidate for the upcoming assembly polls.
He is likely to join other political party, sources said.
With the resignation of Khiangte, the Congress’ strength in the 40-member house has come down to 30, while the opposition Mizo National Front (MNF) has 6 members.
The setback for Congress in a poll bound Mizoram begun in September when home minister and second top brass of Congress R. Lalzirliana resigned from Lal Thanhawla’s cabinet on 14 September protesting against the government’s refusal to create separate Saitual district.
Lalzirliana was expelled from the Congress over his alleged anti-party activity and later joined MNF on 15 October.
Walking in the line of Lalzirliana, former health minister and sitting Congress MLA Lalrinliana resigned from the state assembly on 3 October protesting against the government’s refusal to recognize Khawzawl area as full fledged district. He later joined MNF and included in the official candidate in Chalfilh constituency.
Another Congress legislator Buddha Dhan Chakma, who was the former fisheries minister had resigned from the state legislature on October 16 and had joined the BJP the next day. Chakma is likely to contest Tuichawng constituency on BJP ticket.