The counting of votes began at 8 am. As per the latest count, the BJP is leading on five seats in UP and seven seats in Gujarat.
Amid reports of accidents involving migrant labourers on their way back home, the opposition Samajwadi Party and the Bahujan Samaj Party expressed concern over their plight.
Counting of votes for bypolls to 11 assembly constituencies of Uttar Pradesh began at 8 am on Thursday
Opposition parties on Wednesday slammed the Uttar Pradesh government over its decision to do away with 25,000 home guards, saying instead of providing employment, the BJP government is increasing "joblessness".
Surendra Singh Nagar, a two-time Member of Parliament, and Sanjay Seth, a well-known realtor of Uttar Pradesh who was the SP's treasurer, joined the BJP in the presence of its general secretary Bhupender Yadav and its media head Anil Baluni.
Jailed BJP MLA Sengar and nine others were booked for murder on Monday, a day after the car in which the 19-year old rape survivor, her family and lawyer were travelling was hit by a speeding truck in Rae Bareli, killing two members and leaving her and the advocate critically injured.
Opposition Congress, BSP and SP on Tuesday accused the ruling BJP of "extending patronage" to party MLA Kuldeep Singh Sengar, who has been accused of raping a minor girl.
His remarks came after Bahujan Samaj Party (BSP) chief Mayawati said her party will fight the upcoming bypolls alone, but can work with the SP in future if Yadav is able to "fulfil his duties".