2. In this Ordinance, unless there is anything repugnant in the subject or context,- (a) “Board” means the National Curriculum and Text Book Board established under section 3; (b) “Chairman” means the Chairman of the Board; (c) “member” means a member of the Board; (d) “prescribed” means prescribed by regulations; (e) “school” means any educational institution excluding a Madrasah which imparts education up to class XII, whether such institution is recognised or approved under any law or by any authority or not; (f) “text book” means a text book for any class of any school.