Non-Immigrant visas are normally issued for 90 days, after which foreigners must either exit the country or obtain permission to extend their stay. Once their first extension has been processed, they are then able to extend their stay for a period of 365 days and they can do this again year after year without limit. They have to extend their visa before the visa expiration date at least one month. The visa extension must be applied in person.
The following required documents which the applicant needs to submit to apply for visa extension:
For foreign students/ volunteers /researchers (Non-Ed):
1. Official letter for visa extension issued by Dhurakij Pundit University
2. Passport and one copy of first page and page showing latest visa entry