(2)Where any individual, firm, group, constituent of a group, body corporate or bodies corporate under the same management (hereafter in this Act referred to as the acquirer), is prohibited, by sub-section (1), from acquiring or agreeing to acquire except with the previous approval of the Central Government, any share of a public company or a private company which is a subsidiary of a public company, no-(a)company in which not less than fifty-one per cent of the share capital is held by the Central Government; or(b)corporation (not being a company) established by or under any Central Act; or(c)financial institution, shall transfer or agree to transfer any share to such acquirer unless such acquirer has obtained the previous approval of the Central Government for the acquisition, or agreement for the acquisition, of such share.