To get tourist guide’s license, you must have a bachelor Degree in any faculty  and take a Ten week training. The trainings are organized by Nepal Academy of Tourism and Hotel Management (NATHM) on a yearly basis.

Tourist Guide Training in Nepal:
Requirement-

Education: Bachelor Degree at any Faculty 

Duration: 10 Weeks

Course Fee: Rs. 25,000

Training at: Nepal Academy of Tourism and Hotel Management

Locaton: Rabi Bhawan, Kalimati

more Details available at: https://nathm.gov.np/regular-training