This is called Vietnam Visa on Arrival (VOA). You apply Vietnam visa online via website: www.vietnamvisa.govt.vn, obtain the approval letter to pick up Visa at the airports in Vietnam.
From 2015, Indian nationality is categorized in difficult nationality group, with higher visa approval letter fee, passport copy and return flight tickets requirements.
Fee for issuance of visa approval letter for 01 applicant under 01 month (single & multiple basis are the same) visa validity is US$.35.00; for 3 month single entry is US$.45.00 and for 03 month multiple entry is at US$.65.00, applied for 01 Indian applicant in 2015.
Vietnam Visa on Arrival is an online, alternative way to obtain a visa to visit Vietnam.
After completing the online application form and paying the processing fee, you will receive, via email, your Approval Letter from between one hour to two business days, depending on the status of visa processing you have selected.
Copies of your Approval Letter will also be forwarded on your behalf to Vietnam Immigration checkpoints at each of Vietnam’s three international airports in Hanoi, Ho Chi Minh City, or Da Nang (online visa approval only applies to air travelers who arrive at one of Vietnam’s international airports; travelers arriving by land or sea must apply for a visa through a Vietnam Embassy).
When you arrive in Vietnam, the Immigration officers will have your documents ready and will be able to issue you your entry visa quickly.
By applying at Vietnam Visa now, you will surely be granted entry into Vietnam with your Approval Letter.
Before applying for Vietnam visa, please make sure that your passport has at least 6 month validity counting from date of arrival and blank pages left for new stamp. Visa on arrival option is ONLY applicable for TRAVELING BY AIR to Vietnam. Apply Vietnam Visa now on www.vietnamvisa.govt.vn, you will surely be granted entry upon arrival in Vietnam with the approval letter.