Economy EVMs don't respond to any radio frequency: Election Commission Updated : January 22, 2019 11:50 PM IST It also underlined that it was not possible to print on both sides of the voter verifiable paper audit trail (VVPAT) paper slips as the paper has thermal coating only on one side. The EC's clarification came a day after a US-based self-claimed cyber expert Syed Shuja claimed that the 2014 Lok Sabha elections were "rigged" by manipulating the EVMs. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.