Delhi excise policy case: AAP Goa chief Amit Palekar, three others appear before ED

Amit Palekar, Dattaprasad Naik, Ramrao Wagh, Ashok Naik questioned by ED for Delhi excise scam. Venzy Viegas, Cruz Silva supported. 'Chanpreet/Preet' linked to cash couriers. Nair, Pathak supervised campaign. Sisodia's rep's bribe use confirmed.