Speed Limit Device (SLD) Certificate in all kinds of notified goods and passenger carrying transport vehicle [Mandatory] After online submission of the application, applicant needs to visit the DTO for physical verification of the documents. Learn what a vehicle fitness certificate is, why it is important, and how to apply for it online or offline. Find out the forms, documents, fees, and validity of FC for car, bike, and commercial vehicles. Register and Subscribe Now to work on your Certificate of Medical Fitness Form. Upload, Modify or Create Forms. Use e-Signature & Secure Your Files. Try it for Free Now! Application for obtaining duplicate fitness certificate along with online payment of requisite fee. Application for renewal of registration of private non-transport vehicles with online payment of requisite fee. Apply online for converting vehicle from private to commercial or vice versa with payment of required fee.