For filling form of driving license online in Nepal, you must go to below address first.
For English Format : https://www.dotm.gov.np/en/driving-license/
For Nepali Format : https://www.dotm.gov.np/driving-license/
You will get online driving license nepal form like below.
Fill your information like, demographic details, date of birth, address and other personal details.
After filling up the details, click on the submit panel “Applicants successfully saved” message will pop out.
Once the application is submitted, the system provides the concerned application with a unique reference number and other necessary details
Need for details ? Please visit manual page here for how to fill online driving license form in Nepal, manual page link is this : Manual Page