What are the Independent Bodies in India? (Salient Features of Indian Constitution Part no.7)

Independent Bodies
Apart from the legislative, executive and judicial organs of the Government, the Constitution of India has constituted following bodies which are independent in their work:
a. Election Commission: The function of Election Commission is to make ensure free and fair election to the Parliament, the State Legislatures, the office of President of India and the office of Vice-president of India.
b. Comptroller and Auditor-General of India: CAG acts as guardian of public purse and comments on the legality of expenditure made by the Governments. To do this CAG audit the account of Central and State Governments.
c. Union Public Service Commission: The function of UPSC is to conduct examinations for recruitment to all-India Service and higher Central services and to advice the President of India on disciplinary matters.
d. State Public Service Commission: The function of SPSC is to conduct examinations for recruitment to state services and to advice the governor on disciplinary matters.
The Constitution of India ensures the independence of these bodies through various provisions like security of tenure, fixed service conditions, expenses being charged on the Consolidated Funds of India and so on.