Advocate not to appear in proceedings under section 170-A or 170-B without permission

Notwithstanding anything contained in the Advocates Act, 1961 (No. 25 of 1961) no Advocate shall appear before a Revenue Officer under any proceeding under section 170-A or 170-B without the permission of such officer: Provided that if permission is granted to one party not belonging to a member of a tribe which has been declared to be an aboriginal tribe under sub-section (6) of section 165, similar assistance shall always be provided to the other party belonging to such tribe at the cost of and through legal aid agency.