This question tests basic knowledge of how tax revenue was shared between the Union and the States under the original scheme of the Constitution, before the 80th Constitutional Amendment Act came into force in the year 2000.
The correct option is Income Tax. The 80th Constitutional Amendment Act, 2000 changed this arrangement by replacing the old scheme with a wider divisible pool that includes almost all central taxes, not income tax alone, based on the recommendation of the Tenth Finance Commission.
Let's summarize:
So, the tax that was levied and collected by the Union but distributed between the Union and the States before the 2000 amendment was Income Tax.