The issue of EVM credibility and VVPAT auditing has been raised repeatedly by many political parties. During the August 27, 2018 meeting that EC had with all political parties, almost the entire opposition had joined hands with the Congress to demand a return to ballot paper based voting rather than EVMs. Many political parties suggested that VVPAT counting must be upped -- from one polling booth per constituency to 10%-30% VVPATs in a constituency.
