Basically, Visa Vietnam categorized in 2 main types: tourist visa and business visa. Now, Vietnam business visa for Indian citizens can be applied at low cost and simple procedure or applied at the Vietnamese Embassy in their country of residence.
Vietnam business visa is a non-immigrant visa which is appropriate for foreigners coming to Vietnam for a short authorized duration for business related reasons. Who does not require actual labor work or receiving payment from Vietnamese sources can apply for this range of visa. However, if you don’t meet the conditions, please apply for the work permit instead.