Public-road suitability test excludes chain-plate excavators from motor vehicle status and entry tax liability.

An excavator mounted on iron chain plates was held not to be a motor vehicle for entry tax purposes because mechanical mobility alone is insufficient; the vehicle must also be suitable or adapted for use on public roads. The court distinguished earlier authority concerning excavators fitted with pneumatic tyres and accepted that a chain-plate machine has only limited movement and may damage roads if driven on them. On that basis, the excavator did not fall within the relevant motor vehicle definition and was not liable to entry tax under the Kerala entry tax law.

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Issues: Whether an excavator mounted on iron chain plates, similar to a caterpillar vehicle or military tank, is a motor vehicle within section 2(28) of the Motor Vehicles Act, 1988 read with section 2(1)(j) of the Kerala Tax on Entry of Goods into Local Areas Act, 1994 and therefore liable to entry tax under section 3 of that Act.

Analysis: The definition of motor vehicle was examined in the light of earlier decisions distinguishing vehicles fitted with pneumatic tyres from vehicles moving on chain plates. The reasoning accepted that a vehicle is not a motor vehicle merely because it is mechanically mobile; it must also be suitable or adapted for use on public roads. The excavator in question was found to be mounted on chain plates, capable of only very limited movement, and likely to damage roads if used on them. Earlier authority dealing with excavators on inflated tyres was distinguished on that basis.

Conclusion: The excavator fitted with chain plates is not a motor vehicle within section 2(28) of the Motor Vehicles Act, 1988 read with section 2(1)(j) of the Kerala Tax on Entry of Goods into Local Areas Act, 1994, and is not liable to entry tax under section 3 of that Act.

Ratio Decidendi: A mechanically propelled vehicle is a motor vehicle for entry tax purposes only if it is suitable or adapted for use on public roads; an excavator moving on chain plates like a caterpillar vehicle or military tank is not so adapted.

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