Notwithstanding anything contained in sections 15 and 19, for the Sangha constituency in the State of Sikkim, only the Sanghas belonging to monasteries, recognised for the purpose of the elections held in Sikkim in April, 1974, for forming the Assembly for Sikkim, shall be entitled to be registered in the electoral roll, and the said electoral roll shall, subject to the provisions of sections 21 to 25, be prepared or revised in such manner as may be directed by the Election Commission, in consultation with the Government of Sikkim.]