Requirement to prepare Consolidated financial statement

Our Company A which has invested 1 crore in company B which is in 50:50 joint venture with company C. Also our company A has 4 Directors and company C has 5 Directors in the joint venture company of B & C, should  we as Company A prepare consolidated financial statement as per Ind AS? If yes, do we have to prepare CFS under equity method based on significant influence (voting power of Directors) being > 20%?