The National Council for Civil Liberties approached the poll panel after returning officer rejected their complaint.
The group claimed that Patkar had only mentioned the amount and name of the bank in her affidavit but not the account number.
It also claimed that she has also not disclosed the status of a 2002 criminal case filed against her in the Sessions Court, Badwani in Madhya Pradesh.
"She has also not disclosed that she is the founder of Narmada Bachao Andolan(NBA), an organisation whose activists are facing more than 100 criminal cases in MP," the petition said.