The UDF candidate T J Vinod won the Ernakulam seat by a margin of 3,750 votes defeating Manu Roy (LDF-IND).
Congress candidate Raminder Awla defeated SAD nominee Raj Singh Dibipura by 16,633 votes from Jalalabad, considered an Akali bastion.
The Assembly constituency in the Naxals affected area of the state had 229 polling booths out of which 213 were in Bastar district and 16 in Sukma district.
Chief minister Ashok Gehlot and deputy chief minister and Rajasthan Pradesh Congress Committee president Sachin Pilot congratulated Chaudhary on the victory.
The AIADMK candidate Reddiyarpatti V Narayanan who was leading from Nanguneri segment by a slender margin of 1,800 votes
In Pachhad, Reena Kashyap of the BJP defeated her nearest rival former minister Gangu Ram Musafir of the Congress by a margin of 2,742 votes.
The by-election to the seat was necessitated after the death of LJP MP Ram Chandra Paswan, following which the party fielded his son Prince Raj.
Congress candidate A John Kumar bagged 7170 votes more than his rival candidate Bouvanesvarane of All India NR Congress in the bypolls
Borthakur has secured 28,437 votes while Kurmi has garnered 8,472 votes, as per the latest trends.
S Saidi Reddy of TRS established a lead of 2,476 votes in the first round over his nearest rival Padmavathi Reddy of the Congress party
Congress nominee Balwinder Singh Dhaliwal is leading over his nearest rival and BJP nominee Rajesh Bagha by a margin of 1,852 votes from Phagwara seat, according to initial trends
After the first round of counting, Vishal Nehriya of the BJP is leading with 1,187 votes over his nearest rival Vijay Inder Karan (1543 votes) of the Congress in Dharamshala.
Opposition unity has been a key factor, but on its own that would have made little difference to the by-election outcomes; a BJP defeat needed a significant vote base erosion as a second development