Section 17A(7) in The U.P. Basic Education (Teachers) Service Rules, 1981
(7)Where the list forwarded to the Regional Assistant Director of Education (Basic) under sub-rule (3) cannot be utilised in his region due to nonavailability of vacancies, the Regional Assistant Director of Education (Basic) shall forward the list of the Secretary of the Board who shall thereafter forward the list to a District Basic Education Officer in whose district sufficient number of candidates are not available to fill the vacancies. In so forwarding the list, the Secretary of the Board shall take into account the options given by selected candidates in regard to their postings in districts.