In his resignation letter sent to MNF senior vice president Tawnluia, Zoramthanga said he took moral responsibility as the president of the party for its poll debacle.
The ruling Mizo National Front (MNF) has faced a rout as it could win only 10 seats, while the main opposition ZPM bagged 27 seats in the 40-member House.
More than 600 Meiteis have left Mizoram due to fear of tension after a video two tribal women being paraded naked by a mob in Manipur surfaced online recently, a senior police officer said on Thursday.
Chief Minister Zoramthanga, deputy CM Tawnluia, ministers, and MLAs of the state cutting across party lines took part in the massive protest rally in Aizawl.
The Zoram People's Movement (ZPM) stormed to power in Mizoram by dethroning the Mizo National Front (MNF) bagging 27 seats in the 40-member House on Monday.
Regarded as the orange bowl of Mizoram, the prestigious Aizawl South III constituency will witness an interesting tussle between state home minister Tawnluia and number two in the cabinet and Congress nominee and former student leader K S Thanga.
The MNF came to power in the state winning 26 of the 40 seats in the state assembly uprooting the Congress from its last bastion in the Northeast.
The Reang tribes left Mizoram and took shelter in six camps at Kanchanpur subdivision in North Tripura following fierce ethnic violence between the minority Reangs and majority Lushais (Mizos) in October 1997.
The oldest candidate contesting the election to the 40-member Mizoram assembly to be held on November 25 was the present Revenue Minister J. H. Rothuama (74) from Champhai North seat while the youngest candidate was Pazawna (27) of the BJP contesting from Mizoram-Tripura border Hachhek seat.