To apply visa for Bhutan the following criteria has to be fulfilled:

1. Purchase of Bhutan tour packages.
2. 100% payment to be made before the Visa application.
3. A legible scanned copy or digital photo of your passport
4. One digital PP size photo in formats of jpeg (.jpg or .jpeg) or PNG (.png) or BMP (.bmp) or GIF (.gif).

Photo Requirements: 

• Color or Grayscale
• Recent photograph (not more than six months old) 
• Shows you looking directly at the camera. No looking over one’s shoulder (portrait style)
• Shows eyes open and clearly visible. If you wear glasses there should be no flash reflection, no tinted lenses and the frames should not cover any part of your eyes
• Sharp focus and clear – no shadows
• Clean with no smudge marks

The process usual takes about 3 to 5 working days and is issued about 30 days prior to arrival in Bhutan