New Delhi, July 2 -- A delegation of INDIA bloc leaders from 11 political parties met with the Election Commission of India (ECI) in the national capital on Wednesday to register their opposition to the Special Intensive Revision (SIR) of electoral rolls currently underway in Bihar, calling it the "worst attack on the basic structure of the Constitution."

Congress leader Abhishek Manu Singhvi, part of the delegation that met Chief Election Commissioner Gyanesh Kumar and Election Commissioners Sukhbir Singh Sandhu and Vivek Joshi, questioned the timing of the SIR exercise, noting that it is being carried out only months before the upcoming Assembly elections.

"Firstly, the last revision was in 2003. For 22 years, more than four of five B...