The Election Commission today said Nationalist Congress Party is the only party which has shown interest in taking part in the EVM hacking challenge organized by the Election Commission on 3rd of next month.<br/><br/>The Commission spokesperson said NCP expressed interest in participating in the EVM challenge while AAP and Congress raised some issue as per the existing framework of challenge but have not expressed their interest in participating.<br/><br/>He said, CPI, CPI(M), BJP and RLD expressed their interest to observe the challenge. A total of eight parties had responded to poll panel letter of invitation for challenge.<br/><br/>Last week, the poll panel had announced the challenge to counter allegations of EVM tampering levelled by parties inclding Aam Admi Party and BSP. It will be held be held between 10 am and 2pm. After the Uttar Pradesh assembly polls, the BSP and AAP had questioned the reliability of the machines.