Section 131(6) in West Bengal Co-operative Societies Rules, 2011
(6)A person who has entered or intends to enter into any contract with a co-operative housing society in the matter of any work, constructional or otherwise, relating to a project of the society shall not be eligible to be a member :Provided that where a person conveying a plot of land in favour of a co-operative housing society intends to become a member of such society without any additional consideration and is otherwise eligible for such membership, he may be admitted as a member of such society.