Here is how the chief ministers of all the states are doing.
Rajasthan: Vasundhara Raje wins
Raje won from the Jhalrapatan constituency. Congress had fielded veteran BJP leader Jaswant Singh's son Manvendra Singh from the seat.
Raje won with a margin of 34,890 votes against Manvendra Singh, who had switched over to the Congress just before being fielded by the party against the Chief Minister.
Telangana: KCR wins from Gajwel
TRS president and Caretaker Chief Minister K Chandrasekhar Rao (KCR) has won against his nearest Congress rival Vanteru Pratap Reddy in Gajwel constituency.
KCR's party TRS is expected to sweep Telangana as it leads in 87 of the 119 seats.
Madhya Pradesh: Shivraj leads in Budhni
According to several reports, Madhya Pradesh Chief Minister Shivraj Singh Chauhan is leading in Budhni against his nearest rival Congress' Arun Yadav.
BJP's Chouhan is attempting a fourth term in office, while challenger Congress expects to return to power after a 15-year gap.
Exit polls predicted a close race between the BJP and the Congress, though leaders from both parties have routinely claimed their respective victories.
Chhattisgarh: Raman Singh leads
Three-time Chief Minister Raman Singh is also leading against his nearest rival Karuna Shukla in the Rajnandgaon constituency, according to reports.
Mizoram: Lal Thanhawla loses from both seats
Mizoram Chief Minister Lal Thanhawla has lost from both the Champhai South and Serchhip seats. Meanwhile, the Mizo National Front (MNF) is surging ahead having a lead in 21 of the 40 seats in Mizoram Assembly while the ruling Congress is trailing way behind.
(With PTI inputs)