Travel Visa is a permission or an authorization granted by immigration official of foreign country ie. Embassy, diplomatic mission or consulate etc. that allows the passport holder to visit their country, stay in there for certain time and leave that country, on certain terms and conditions. This visa allows entering to their country and staying there for prescribed time interval within specified constraints. This kind of visa is issued for business visit, transitory or tourism purposes etc. Visa is a sticker or a stamp that endorsed in the passport or travel document of the holder. It can be in the form of passport or a separate document or an electronic record of the authorization which are stored in computer and linked up with the passport number. Certain backgrounds like the reason for the traveling, record of previous visits, number of countries visited, financial security etc. are counted while granting this kind of visa.