Pemba Tshering v. The State of West Bengal and Ors. [WP No. 2349 (W)/2008] and a decision of the High Court of Punjab and Haryana in Sukhdip Singh v. The State of Punjab and Ors. [AIR 2009 P&H 22]. 17. The learned ASG also contends that, in view of the decision of the Supreme Court in K.B. Nagur M.D. (Ayu.) v. Union of India [WP(C) No. 33/2009 ], it was incumbent upon the Central Government to ensure that timely and fair elections for all members, including President and Vice President of the Respondent No. 2, are held. He submits that the issuance of the Impugned Letter was a part of the duties which the Central Government was expected to discharge. He submits that in view of the decision of the Supreme Court in the case of K.B. Nagar M.D. (supra), it was incumbent upon Respondent No. 1 to ensure that no elected member of the Respondent No. 2, including the President or Vice-President, shall hold office beyond three months from the expiry of their respective terms. He, therefore, submits that the decision of the Respondent No. 1 to hold fresh elections, wherein the Petitioner would also be entitled to participate, cannot be faulted. 18. While rebutting the plea raised by the learned senior counsel for the Petitioner, that the Respondent No.1 is estopped from contending that the vacancy against which the Petitioner was elected was a casual vacancy in view of its specific stand in its counter affidavit in WP(C) 6867/2013, the learned ASG submits that there can be no estoppel against the law and a state or statutory authority is not bound by its previous erroneous understanding and no statutory authority can be asked to act in contravention of law. He submits that, once the provisions of the Act make it clear that the Petitioner was elected only