DDC Chairman Col Mahan Singh (Retd) and others during a meeting. By Daily Excelsior - March 5, 2022 Share FacebookTwitterWhatsAppPinterestLinkedinTelegramEmailTumblrReddItPrintKoo DDC Chairman Col Mahan Singh (Retd) and others during a meeting. DDC Chairman Col Mahan Singh (Retd) and others during a meeting. Follow our WhatsApp channel