<s>[INST] What is the impact of the changes brought about by the Constitution (First Amendment) Act, 1951, s. 13 on the office of the Auditor-General of India? [/INST] The impact of the changes brought about by the Constitution (First Amendment) Act, 1951, s. 13 on the office of the Auditor-General of India is not explicitly mentioned in the context provided. </s>