Vikramaditya Singh, PDP leader and son of senior Congress leader Dr. Karan Singh resigns from the party. By Daily Excelsior - October 22, 2017 Share FacebookTwitterWhatsAppPinterestLinkedinTelegramEmailTumblrReddItPrintKoo Vikramaditya Singh, PDP leader and son of senior Congress leader Dr. Karan Singh resigns from the party. Follow our WhatsApp channel