(1)Where the Commission is of the opinion that any combination does not, or is not likely to, have an appreciable adverse effect on competition, it shall, by order, approve that combination [****] in respect of which a notice has been given under sub-section (2) of section 6.[Provided that if the Commission does not form a prima facie opinion as provided under sub-section (1B) of section 29, the combination shall be deemed to have been approved and no separate order shall be required to be passed.]