The doctrine of REBUS SIC STANTIBUS provides enforceability of a treaty due to change in fundamental circumstances. This is one of the oldest norms of International law.
Multilateral Investment Guarantee Agency, another world bank affiliate was established in 1988 to encourage private sector investment in developing countries by providing cover to lenders and investors against political world Bank group.
There have been many discussions regarding whether India is a federal state or not. When we see the characteristics of the federal-state, then we find that one of the characteristics is the distribution of taxes.