Acting on a tip-off, a RPF Sealdah special task force seized the metal biscuits from the three - Saurabh Shukla (25), Pravin Shukla (30) and Kuldeep Pandey (26), all residents of Uttar Pradesh, at the station platform yesterday when they were planning to board New Delhi-bound Duranta Express, he said.
Two out of the 70 metal biscuits were verified by Bureau of Indian Standards (BIS) and declared as made of gold, he said.