NEW DELHI,AUG 27: Walls of several metro stations across Delhi were found defaced with pro-Khalistan graffiti ahead of the G20 summit on September 9-10, police said on Sunday. Slogans such as ‘Delhi Banega Khalistan’ and ‘Khalistan Referendum Zindabad’ were found sprayed in black on the walls of metro stations, including Punjabi Bagh, Shivaji Park, Continue Reading