What are the changes brought about by the Constitution (First Amendment) Act, 1951, s. 13 in terms of salaries and pensions for the person who was Auditor-General immediately before the commencement of this Constitution?
The Constitution (First Amendment) Act, 1951, s. 13 brought about the following changes in terms of salaries and pensions for the person who was Auditor-General immediately before the commencement of this Constitution:

1. The Auditor-General holding office immediately before the commencement of this Constitution shall become on such commencement the Comptroller and Auditor-General of India.
2. He shall be entitled to such salaries as are provided for under clause (3) of article 148 in respect of the Comptroller and Auditor-General of India.
3. He shall also be entitled to such rights in respect of leave of absence and pension as are provided for under clause (3) of article 148 in respect of the Comptroller and Auditor-General of India.
4. He shall be entitled to continue to hold office until the expiration of his term of office as determined under the provisions which were applicable to him immediately before such commencement.