Chandigarh, April 26 -- Punjab chief electoral officer S Karuna Raju on Thursday said no nomination papers for the Lok Sabha polls would be filed on April 27 and 28 in view of holidays. As per the schedule for nomination papers, elections started on April 22 and would remain continue till April 29. "April 27 being 4th Saturday is a holiday under the Negotiable Instruments Act," he said....