To Convert From Yellow Board to White Board their is a waiting period of 3 yrs completion of yellow board vehicle from the date of Registration. Before that don't start the process.
Step 1) Write a letter to STA/RTO for surrendering/cancelling your National or state permit to STA and obtain the endorsement.
Step 2) Fill Form KMV 29 for Conversion/Alteration from yellow board to white Board i.e class of Motor CAB Transport to LMV Private (NT)
Step 3) Get the Fees mark on Form 29 from Data operator and pay the fees at cash counter for Inspection i.e Rs 637 and For RC Smart Card Rs 74.
Step 4) Take your vehicle for Inspection along with Challan and all the valid documents Insurance, Tax Paid till date, Pollution Certificate, Original RC , Endorsement of Cancellation of Permit (NOC),Fitness certificate.
Step 5) Once the Inspection got completed submitted the file for Form T - 14 for Life Time Road Tax mark the road tax pay the road tax at cash counter, LLT will be a depreciated value i.e for 12 years.
Step 6) Once you pay LLT you will get challan along with the New Number for whiter board, put the number plate pay the challan bring the vehicle for inspection again, this is the final step of Yellow to White board conversion.
Step 7) You will review the RC smart card by courier after one month.