The State of Himachal Pradesh and Others vs Goel Bus Service Kullu etc.
Background
In 1999 Himachal Pradesh amended its Motor Vehicles Taxation Act to introduce a "special road tax" on transport vehicles, citing the heavy cost of building and maintaining roads and bridges in a hill State. Sub-section 3A(3) went further: if a vehicle was used without a valid permit, or in a way not allowed by its permit, an additional special road tax became payable on top of the normal tax, at rates fixed by notification. Goel Bus Service of Kullu and many other bus operators challenged these provisions and the notifications in the High Court. In July 2007 the High Court upheld most of the scheme but struck down Section 3A(3), reasoning that it was really a fine for an offence dressed up as a tax and so beyond the State's taxing power, and also quashed two notifications imposing lump-sum charges. The State appealed, and because the same question had been left open in a 1998 Rajasthan case, the matter was referred to a three-judge bench.
Decision Breakdown
The Supreme Court allowed the State's appeals, set aside the High Court's judgment and dismissed the operators' writ petitions. It tested Section 3A(3) on three counts: whether it was manifestly unjust or glaringly unconstitutional, whether it was regulatory or compensatory, and whether it conflicted with Central law. On the first, the Court noted that constitutional courts give wide latitude to economic and tax legislation, and nothing showed the provision to be manifestly unjust. On the second, the stated object was to raise funds for roads in a wholly hilly State, and the extra levy on permit violators acted as a discipline and deterrent to make operators follow the law: following its earlier ruling in State of U.P. vs Sukhpal Singh Bal, the Court held such a levy is regulatory in character and not a penalty, even if the amount is fixed as a lump sum. On the third, the Court rejected the amicus's argument that Section 192A of the Central Motor Vehicles Act, 1988 (which already punishes plying without a permit with imprisonment and fine) occupied the field: Parliament has laid down no principles for taxing vehicles under Entry 35 of the Concurrent List, so the State's power under Entries 56 and 57 of the State List remains intact, and the tax simply operates in addition to the criminal penalty. Lump-sum taxation was also upheld on the authority of State of Tamil Nadu vs M. Krishnappan.
Lesson Learnt
A State can lawfully charge an extra "road tax" on transport operators who run vehicles without a valid permit or outside its terms, and this counts as a regulatory tax rather than a penalty, so an operator can face both the criminal fine under the Motor Vehicles Act and the additional State tax for the same violation. Courts will not strike down such economic and tax measures unless they are plainly unconstitutional.