students are required to apply for Long Term Visa (Immigration Visa, type D) for study purposes. For this, student must be enrolled at Georgian Technical University and hold official enrollment letter. For details please see section: Application Procedures
List of countries, whose citizens may enter Georgia without a visa
List of countries, citizens/stateless persons of which are required to obtain visa before entering Georgian Territory
Step 1. Before arriving in Georgia citizens/students for study purpose are required to obtain long-term visa from the consulate of Georgia in their country
List of Georgian consular offices
Step 2. Citizens legally staying in Georgia shall apply to the LEPL Public Service Hall for residence Permit issued with the right of temporary residence in Georgia.
Temporary Residence Permit is issued for at least 6 months for the first time and its validity term shall not exceed 1 year. Its validity term might be prolonged for other 5 years, provided that the total validity term of Temporary Residence Permit should not exceed 6 years.
A foreigner must apply for Residence Permit to the agency 40 calendar days prior to expiration of the term for his/her legal stay on the territory of Georgia.
Please see detailed information here