The Constitution of India
§277 — Savings
Any taxes, duties, cesses or fees which, immediately before the commencement of this Constitution, were being lawfully levied by the Government of any State or by any municipality or other local authority or body for the purposes of the State, municipality, district or other local area may, notwithstanding that those taxes, duties, cesses or fees are mentioned in the Union List, continue to be levied and to be applied to the same purposes until provision to the contrary is made by Parliament by law.