Section 12(2) in The West Bengal Panchayat Act, 1973
(2)For the purpose of removal of the Pradhan or the Upa-Pradhan, one-third of the existing members referred to in sub-section (1) subject to a minimum of three members shall sign a motion in writing expressing their lack of confidence against the Pradhan or the Upa-Pradhan or recording their intention to remove the Pradhan or the Upa-Pradhan, indicating party affiliation or independent status of each of such members and either deliver the motion in person through any of the members or send it by registered post to the prescribed authority; one copy of the motion shall be delivered to the concerned office bearer either by hand or by registered post at the Gram Panchayat office and another copy shall be sent by registered post at his residential address.