What are the powers granted to Parliament by this law?
The powers granted to Parliament by this law are:

1. Vary or revoke, whether prospectively or retrospectively, the conditions of services as respects remuneration, leave and pension for certain civil service officers who were appointed before the commencement of the Constitution and continue to serve under the Government of India or a State after the Constitution (Twenty-eighth Amendment) Act, 1972.

2. Vary or revoke, whether prospectively or retrospectively, the conditions of service as respects pension for certain civil service officers who were appointed before the commencement of the Constitution and retired or ceased to be in service at any time before the Constitution (Twenty-eighth Amendment) Act, 1972.