Mizoram is one of three states currently under Congress rule, while the BJP has been in power in Madhya Pradesh for the last 15 years. The results will be announced on December 11.
Madhya Pradesh and Mizoram went to the polls Wednesday morning.
Amid tight security, polling for Mizoram's 40-member legislative assembly began at 7 am. Madhya Pradesh went to the polls an hour later at 8 am, apart from the Maoist-affected Balaghat district where polling again began at 7 am. Starting an hour earlier will also polling to end before it gets dark.
Mizoram is one of three states currently under Congress rule, while the BJP has been in power in Madhya Pradesh for the last 15 years. The BJP has never formed a government in Mizoram.
The Congress and the MNF (Mizoram's second party) are contesting all 40 constituencies in the state, while the Bharatiya Janata Party (BJP) is fighting in 39 seats.
In the previous election in 2013 in Mizoram, the Congress had fielded 40 candidates while it won 34 seats, whereas Mizo National Front (MNF) secured only five seats after contesting 31 seats.
Mizoram People's Conference (MPC) had contested on eight seats but it managed to bag only one.
The elections are being fought between 209 candidates.
The Congress party, which has been in power in Mizoram since 2008, is eyeing a third consecutive term in the state.
Chief Minister Lal Thanhawla is contesting from two seats - Serchhip and Champhai South. In Serchhip, Thanhawla will be contesting against Zoram People`s Movement`s (ZPM) chief ministerial candidate Lalduhoma, Mizo National Front (MNF) nominee C Lalramzauva and People`s Representation for Identity and Status of Mizoram (PRISM) party chief Vanlalruata among others.
In the Champhai South, the incumbent Chief Minister would contest against MNF`s T J Lalnuntluanga and ZPM`s C Lalremliana.
Preparations have also been made for 12,026 Bru refugees who are lodged in six relief camps of Tripura to cast their votes at Kanhmun village in Mamit district where 15 temporary polling stations have been set up.