PM knows that demonetisation is now derailed: Mamata By Daily Excelsior - December 10, 2016 Share FacebookTwitterWhatsAppPinterestLinkedinCopy URLTelegramEmailTumblrReddItPrintKoo NEW DELHI : PM knows that demonetisation is now derailed. Except giving bhashan, he has no solution said Mamata. (agencies) Follow our WhatsApp channel