Section 2(1)(a) in The Consumer Protection Act, 1986
(a)“appropriate laboratory” means a laboratory or organisation—(i)recognised by the Central Government;(i)any establishment described as a branch by the opposite party; or(ii)any establishment carrying on either the same or substantially the same activity as that carried on by the head office of the establishment;(ii)recognised by a State Government, subject to such guidelines as may be prescribed by the Central Government in this behalf; or(iii)any such laboratory or organisation established by or under any law for the time being in force, which is maintained, financed or aided by the Central Government or a State Government for carrying out analysis or test of any goods with a view to determining whether such goods suffer from any defect;