Jaipur/Kolkata: The BJP on Sunday stepped up its attack over the alleged insult to the national song 'Vande Mataram' during the Independence Day event at the Congress headquarters, with Union Home Minister Amit Shah demanding that Sonia Gandhi apologise to the nation and revered author Bankim Chandra Chattopadhyay for the "sin".
A complaint was filed at the IP Estate police station in Delhi seeking an impartial investigation and appropriate action against Congress leaders, while local BJP leaders lodged a complaint against Gandhi at Urva police station in Karnataka's Mangaluru.
