India, Aug. 1 -- Congress leader Rahul Gandhi on Thursday said that his party had uncovered an "atom bomb" of evidence against the Election Commission of India (ECI), amid the escalating row over the Special Intensive Revision (SIR) exercise.

Alleging large-scale voter list manipulation that could permanently damage the institution's credibility, Gandhi, while talking to the media outside Parliament, said, "We dug deep because the EC wasn't helping. What we found is an atom bomb. When it explodes, you won't be able to see the Election Commission in India."

"There was a suspicion in the elections in Madhya Pradesh and the Lok Sabha, and it deepened in the Maharashtra assembly polls. At the state level, we believed there was a vote theft,...