Gaurav Singh on Instagram: "update the mobile number on your driving license in India, you can do it online via the official government portals—Vahan and Sarathi. The process is quick, free, and does not require visiting the RTO physically. How to Update Mobile Number on Driving License Online Visit the Vahan Portal: https://vahan.parivahan.gov.in/mobileupdate/ or Sarathi Portal: https://sarathi.parivahan.gov.in/sarathiservice/mobNumUpdpub.do. Enter your driving license number and other required