The Opposition bloc INDIA and the BJP will hold rival marches in Delhi today with the Opposition targeting the Election Commission over alleged electoral roll irregularities and the ruling party raising the 1984 anti-Sikh riots to attack the Congress. The INDIA bloc's "Chalo Delhi" march will end at Ramlila Maidan as they call for the resignation of Chief Election Commissioner Gyanesh Kumar over alleged irregularities in the Special Intensive Revision (SIR) of.