The DMK, an ally of the Congress, has earlier said it would observe November 8, the first anniversary of demonetisation, as 'Black Day' and stage demonstrations in all district headquarters of Tamil Nadu. IN PIC: Coimbatore DMK cadres held protest against demonetisation, the protest was lead by Stalin's sister and DMK Rajya Sabha member Kanimozhi. (EPS | Senbagapandiyan)