How are the conditions of service for the Comptroller and Auditor-General defined in the Constitution?
The conditions of service for the Comptroller and Auditor-General are defined in the Constitution as follows:

1. Salary: A salary at the rate of four thousand rupees per mensem shall be paid to the Comptroller and Auditor-General of India (Article 12(1)).

2. Special Pay: The person who was holding office immediately before the commencement of the Constitution as Auditor-General of India and has become on such commencement the Comptroller and Auditor-General of India under Article 377 shall be entitled to receive a special pay equivalent to the difference between the salary specified in sub-paragraph (1) of this paragraph and the salary which he was drawing as Auditor-General of India immediately before such commencement (Article 12(2)).

3. Leave of Absence: The rights in respect of leave of absence for the Comptroller and Auditor-General of India shall be governed by the provisions which were applicable to the Auditor-General of India immediately before the commencement of this Constitution, with all references in those provisions to the Governor-General construed as references to the President (Article 12(3)).

4. Pension: The conditions of service for the Comptroller and Auditor-General of India shall continue to be governed by the provisions which were applicable to the Auditor-General of India immediately before the commencement of this Constitution, with all references in those provisions to the Governor-General construed as references to the President (Article 12(3)).