Section 109(5) in The West Bengal Co-Operative Societies Act, 1983
(5)Before taking possession of any immovable property under sub-section (4), the co-operative credit society shall serve upon the defaulting member a notice of demand in writing for repayment of the outstanding amount of the loan within such period as may be specified in the notice stating that in default of such repayment within such period, the right of possession under sub-section (4) shall be enforced.