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Motor Blog
13 Mar 2026

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Contents
Many motorheads love customising bikes, but registering modified bikes in India is not as easy as just changing parts and hitting the road. While modifications can enhance style, performance, or durability, they must also comply with strict legal requirements. Any major change to the building's structure or appearance requires RTO approval, and some changes are not allowed at all. To stay compliant and ride worry-free, you need to understand the official process.
So, let us understand the steps to get modified bikes in India registered and the legalities behind it.
Before we proceed with the registration steps of bike modifications, we need to know if they are legal in India. Under the Motor Vehicles Act of 1988, you must obtain permission from your local Regional Transport Office (RTO).
After that, let us look at how you can do so below:
Before making any modifications to your 2-wheeler, you must take permission from your local RTO.
Once you have the permission, you must apply to get an RC for your bike. For that, you will need to provide your approval letter al;ong with other documents.
Registering a bike requires a fee. Usually, the standard cost is ₹300. However, it may vary between states and also according to the kind of modifications. After paying, collect the receipt.
Once you have followed all the requirements, you can modify your bike. However, remember that if you choose to make any extra modifications, you may face legal troubles.
There are different types of bike modifications in India. These either improve security, aesthetics, performance, or other aspects. Let's see them below:
Many people with special needs cannot ride bikes in their usual form. Therefore, they need to modify it to support their needs. Some common modifications include:
Food-operated gears
Side wheel installations
Special hand controls
Modifying and upgrading security can be a smart choice. Moreover, these protect your bike from getting stolen as well. Some of the common modifications include:
GPS tracking system
Anti-theft alarms
Immobilisers
High-quality locks
Movies often portray bikers wearing leather jackets and riding a stylish bike. Therefore, many people want to replicate the style on their personal bikes. These include:
Fancy LED lights
Unique colours and finishes
Alloy wheels
Many people may want to use their cars to participate in races. To do so, one needs to modify their bike to increase performance, including:
Fuel-efficient systems
Speed-enhancing mechanisms
Although the government allows modified bikes in India, you must follow certain rules regarding them. These are:
1. You cannot add any type of accessories that will hamper the functionality of the 2-wheeler.
2. If you want to change the colour of the bike, you need to get prior RTO permission. For this, you have to fill out the NAVM form.
3. You cannot change the basic specifications, such as the brake system, engine or seating capacity.
4. Your local RTO database should have all the details of your bike modifications.
5. And lastly, you cannot get any modifications which will hamper the safety of the riders or the pedestrians.
Modifying your bike to match your liking is a dream of many motorheads. However, the process is complicated and requires you to tread carefully. But not to worry, we have prepared a list of dos and don’ts so that you do not face any confusion:
Always ensure that the changes you plan to make are in legal compliance
Make sure that you do not attempt to DIY bike modifications. Always seek the help of professional services.
Always keep the original bills, approval letter, and photographs of your modifications. It will help you in future.
Inform your insurer about the modifications you make to your bike.
Do not remove the silencer of your bike or upgrade to aftermarket exhausts. These can result in fines ranging from ₹5,000 to ₹10,000.
Do not change your bike’s number plate. Doing so is illegal in India. This means you cannot change the colour, style or make of the number plate.
Do not add modifications that can hinder the traffic.
It is illegal to remove safety accessories from the bike. This includes rearview mirrors, reflectors or indicators.
Any modification changes the bike’s risk profile. This can lead to your insurer reassessing your risk.
Performance upgrades like exhaust changes, ECU tuning or power boosters often lead to higher premiums since they increase speed and accident risk.
Cosmetic add-ons, such as wraps, LED lights or decals, can raise premiums if they increase the overall bike value.
Safety-focused additions, such as anti-theft devices or better brakes, may reduce your premium.
Failing to inform your insurer of any modifications can result in a claim rejection.
Insurers need updated details to assess the bike’s actual condition during a claim.
Expensive upgrades increase your bike’s market value.
A higher IDV means more coverage during total loss or theft. But it also means a slightly higher premium.
Nevertheless, having 2-wheeler insurance can protect your modified bike if an unfortunate incident occurs. That’s where Bajaj General Insurance come in. With an approximate investment of ₹538, you can ensure that your finances are protected.
Certain modifications require an accessory cover, engine protect, or a zero-dep add-on to remain fully insured.
Anything that violates RTO rules, such as loud exhausts, unnatural structural changes or blinding lights, will not be covered by insurance.
Modified bikes in India are not banned, but are strictly regulated under the Motor Vehicles Act of 1988. Therefore, be sure to consult your local RTO and understand the implications of any modifications you make. And lastly, don’t forget to get your bike insured from Bajaj General Insurance so that you do not lose a precious investment in an unfortunate event.
To secure RTO permission for your bike modification, you must first submit a proposal outlining your plans. Once the RTO reviews your proposals and permits you, you can modify your bike.
You can legally use a sticker on your bike as long as it does not block the visibility of your number plate or impersonate a fake person. For example, you can stick regular stickers based on your interests, such as Marvel characters. But you cannot stick government labels without being an official.
Major modifications that hinder traffic or safety, or that entirely alter the base specifications, are illegal in India. These include adding non-standard lighting, loud exhausts, and others.
No, you cannot modify bike exhaust unless it complies with the emission and noise standards. For example, if you wish to alter the bike exhaust, it must comply with the current Bharat Stage VI (BS6) emission regulation. The new exhaust should also not emit a sound more than 80 decibels (80 dB).
If someone is caught with an illegal bike modification, they must pay fees ranging from ₹5,000 (for the first offence) to ₹10,000 (for repeated offence).
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