The searches are being conducted in Gujarat, Delhi, Uttar Pradesh, Maharashtra, Haryana and some other states.
The poll panel had announced that it was taking action against more than 2,100 registered unrecognised political parties for flouting rules and election laws, including those related to filing of monetary contributions, failing to update their address and names of office bearers.
It had said some of these parties were indulging in serious financial impropriety.