PATNA, June 27 -- The opposition Mahagathbandhan or Grand Alliance (GA) in Bihar on Friday went ballistic against the Election Commission of India ( ECI)'s latest move to conduct Special Intensive Revision of electoral rolls in the state calling it 'undemocratic' and alleged that the exercise was a covert attempt to snatch citizenship of the poor and oppressed, and, in turn, rig the upcoming assembly elections by disenfranchising millions of Bihar voters.

The GA partners during a meeting in Patna also questioned the 25-day time-frame set for the exercise, saying that it was impossible to cover the whole state within such a short span.

"Is it possible to conduct house to house verification of around eight crore voters within 25 days by t...