NEW DELHI, Oct. 12 -- Security will remain heightened across Lutyens' Delhi on Monday, with the Opposition calling for a march from Connaught Place to the Supreme Court to protest against Chief Election Commissioner Gyanesh Kumar over alleged irregularities in the Special Intensive Revision (SIR) of electoral rolls. The march comes after two consecutive days of heightened security and detentions across Delhi. Police have barricaded roads leading to Jantar Mantar and deployed personnel at key intersections to prevent protesters from gathering. P6...