What is the Jayachandra judgment that bans vehicle mods in India?

What the Supreme Court actually ruled

On 9 January 2019, a two judge bench of the Supreme Court, Justices Arun Mishra and Vineet Saran, decided Regional Transport Officer and others versus K. Jayachandra and another, Civil Appeal Nos. 219 to 222 of 2019. This is the "Jayachandra judgment" that every RTO circular and traffic police notice on modified vehicles in India still quotes.

The bench set aside a Kerala High Court Division Bench ruling and held that no motor vehicle can be altered so that the particulars in its registration certificate differ from what the manufacturer originally specified. The court said the state's own Motor Vehicle Rules "are subservient to the provisions of the Act," meaning a state rule cannot create room for a change that Section 52 of the Motor Vehicles Act, 1988 does not allow.

The Kerala buses and recovery vans that started it

The case did not begin with a show car or a modified bike. It came out of a batch of writ petitions in the Kerala High Court where RTOs had refused to register vehicles after owners altered them. Court records of the case, as recorded on Indian Kanoon, describe bus bodies extended beyond their chassis length by roughly 37 to 39 centimetres, and recovery vehicles built by cutting the original chassis.

Kerala's Division Bench had read Rules 96, 103 and 261 of the Kerala Motor Vehicle Rules, 1989 to mean that a Regional Transport Officer had discretion to approve such structural changes. The Supreme Court disagreed, and said Rule 126 of the Central Motor Vehicles Rules, which governs prototype testing, cannot be used to approve anything that Section 52(1) already prohibits.

Why Section 52 reads the way it does

Section 52 was not always this strict. The court itself noted that it was amended by Act 27 of 2000 with the specific purpose, in its words, to "prohibit alteration of vehicles in any manner including change of tyres of higher capacity, keeping in view road safety and protection of environment." That 2000 amendment, not the 2019 judgment, is the actual origin of the blanket ban. Jayachandra simply confirmed that the ban applies nationwide and that no state rule can carve out an exception for it.

This is why a bigger engine, a different chassis, a cut and welded body, or tyres well outside the size on your RC are treated the same way whether you are in Kerala, Karnataka or Maharashtra. The particulars on your registration certificate have to match what the manufacturer originally built and what was tested for your type approval.

What the law still allows today

Section 52 was amended again later in 2019, by the Motor Vehicles (Amendment) Act, 2019. That amendment added two specific doors that Jayachandra did not shut. First, the Central Government can prescribe conditions under which an alteration or retrofitment is allowed, and in such cases the manufacturer's warranty is not treated as void just because the vehicle was altered within those conditions, a provision that covers things like approved CNG, LPG or electric retrofit kits. Second, an owner may convert a vehicle into an "adapted vehicle" for use by a person with disability, with the registering authority's subsequent approval, under conditions the Central Government prescribes.

For an Indian owner today, the practical reading has not changed since 2019. Anything that varies your vehicle from its manufacturer specification and its registration certificate needs to go through an approved process and be recorded on the RC. Anything that does not, from a cut chassis to an unapproved tyre upsize, is exactly what Jayachandra was about.

Sources

• RTO vs K Jayachandra: Original specifications made by the manufacturer of the vehicle can't be altered, SC
• Breaking: No Vehicle Can Be Altered So As To Change Original Specification Made By Manufacturer, SC
• Regional Transport Officer vs K. Jayachandra Etc. On 9 January, 2019
• Section 44, 49, 52, 55, 56, 59 of the Motor Vehicles Amendment Act, 2019