EVMs, VVPATs reach counting centres in Virudhunagar Updated: Updated: Four-tier security in place Four-tier security in place Electronic Voting Machines and VVPAT units from all the 2,370 polling booths in Virudhunagar district were kept in strong rooms at the counting centres set up at Sri Vidhya College of Arts and Science and Sri Vidhya College of Engineering and Technology in Virudhunagar. After the polling got over at 7 p.m. on Tuesday, the zonal parties started to collect the EVMS and VVPATs from the Presiding Officers. The materials were moved in special vehicles with armed escorts to the counting centre throughout the night.