Key Facts

  • A 7-judge Constitution Bench: disposed of the 1999 Arjun Flour Mills reference challenging additional tax (10% and 15%) under the Odisha Sales Tax Act, 1947.
  • The Court clarified that: an additional tax/surcharge on sales tax is an enhancement of the sales tax rate under Entry 54 of the State List (Seventh Schedule), though the issue became academic after GST (2017).
  • Justice K.V. Viswanathan separately: affirmed that *S. Kodar v. State of Kerala* (1974) remains valid—additional sales tax is not a tax on dealers' income.

Static GK

  • 101st Constitutional Amendment Act,: 2016 introduced GST (effective 1 July 2017) and Article 246A.