EV Retrofit Conversion in India: ARAI Type-Approved Kits, RTO RC Endorsement & Subsidies (2026)

Published by Adv. Rajesh Verma on 20 October 2026

1. The ARAI / ICAT Type-Approval Mandate (AIS-123 Rules)

Under AIS-123 Part I, II & III standards:

  • You cannot install DIY uncertified battery packs or motors.
  • The EV Retrofit Kit (Motor, Controller, Battery Management System, Battery Pack) must be Type-Approved by ARAI (Automotive Research Association of India) or ICAT (International Centre for Automotive Technology) for your exact car make and model.

  • 2. Step-by-Step Retrofitting Process & Components

    1. Engine, gearbox, fuel tank, and exhaust systems are safely dismantled and deregistered.

    2. High-torque electric motor and reduction gearbox mounted onto vehicle subframe.

    3. IP67 waterproof Lithium Iron Phosphate (LFP) or NMC battery pack installed with thermal runaway sensors.

    4. Electric vacuum pump installed for brake booster and DC-DC converter for 12V vehicle electronics.


    3. RTO Inspection & Changing Fuel Type on RC to "ELECTRIC"

  • Submit Form 22A (Manufacturer Compliance Certificate) and Authorized Installer Invoice to the RTO.
  • RTO Motor Vehicle Inspector verifies the motor serial number and battery safety compliance.
  • Fuel type updated in Vahan database to "PURE ELECTRIC (BEV)".
  • Standard white number plate replaced with official Green Number Plate with white lettering.
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    Frequently Asked Questions

    Can I legally convert my 10-year-old diesel car in Delhi to Electric to avoid the ban?

    Yes. The Delhi Transport Department and MoRTH officially allow diesel and petrol vehicles to be retrofitted with ARAI/ICAT-approved electric kits, lifting the 10/15-year deregistration order.

    How do I get the fuel type changed to "ELECTRIC" on my RC book?

    After installation at an authorized center, take the vehicle with the manufacturer ARAI Type-Approval Certificate and installation invoice to your RTO for physical inspection and Vahan fuel update.


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