India, July 4 -- Political parties have expanded their polling booth-level agent (BLA) networks in poll-bound Bihar amid disenfranchisement concerns over the Election Commission of India (ECI)'s special intensive revision of the electoral roll. The agents have increased from 138,000 to 156,000, according to the ECI data until July 2.

BLAs are allowed to submit 50 enumeration forms daily after verification. As per revision guidelines, BLAs can submit the forms with an undertaking that they have personally verified the particulars and are satisfied that they are correct.

Opposition parties have questioned the delay in announcing the revision months before the polls are due. They have argued it could have been undertaken earlier. ECI has, ...