" We may usefully refer to the judgment of the Privy Council in Sris Chandra Nandi vs Rakhalananda (deceased)(1) where the Judicial Committee approved of the statement of the law contained in the judgment of the High Court reading: "It is to be noticed in this connection that section 2( 1 ) of the Indian Evidence Act repeals the whole of the English common law on evidence so far as it was in force in British India before the passing of the Indian Evidence Act, and that provision of the law in effect prohibits the employment of any kind of evidence not specifically authorised by the Act itself." Lord Atkin who delivered the judgment of the Judicial Committee pointed out that evidence which was not admissible under the Indian Evidence Act could not be let in for the purpose of bringing out the truth and said: "What matters should be given in evidence as essential for the ascertainment of truth, it is the purpose of the law of evidence, whether at common law or by statute to define.