Section 37A(3) in The Bengal Agricultural Debtors Act, 1936
(3)No Board shall entertain an application under sub-section (2) if such application relates to a debt in respect of which a Civil Court has previously entertained a suit instituted or an application made under the provisions of the Bengal Money-lenders Act, 1940, and no Civil Court shall entertain a suit instituted or an application made under the provisions of that Act if such suit or application relates to a debt in respect of which a Board has previously entertained an application made under the provisions of this section.