Section 20(6)(b) in The Bidhan Chandra Krishi (Viswavidyalaya) Act, 1974.
(b)When a vacancy occurs in the office of the Vice-Chancellor by reason of death, resignation or expiry of the term of his office or otherwise, then, pending the appointment of a Vice-Chancellor the Chancellor in consultation with the Minister may appoint any person to exercise the powers and perform the duties of the Vice-Chancellor for any period not exceeding six months.