The RBI had issued a circular to banks in January 2014, advising them to take note of the legal provisions under the Mental Health Act, 1987 to open accounts for such people.
As per RBI directives, banks may rely or be guided by the order or certificate issued by the competent authority to appoint guardians or managers for opening or operating of bank accounts.
"It has been brought to our notice that banks are insisting on guardianship certificate from all mentally ill persons", RBI said in a notification.
"It would be necessary for banks to seek appointment of a guardian only in such cases where they are convinced on their own or based on documentary evidence available, that the concerned person is mentally ill and is not able to enter into a valid and legally binding contract", RBI added.