What are some travel tips for a Bhutan tour?

Here are some important Bhutan travel tips for tourists: 

• Foreign nationals are required to obtain a valid Bhutan visa before entering the country.
• Indian citizens can enter Bhutan visa free but must carry their passport and voter ID. 
• Tourists are required to pay a Sustainable Development Fee (SDF) before entering Bhutan.
• Book your tour package through a reliable tour operator. 
• Pack your jackets, thermals, boots, etc as the weather is generally cold. 
• Dress modestly while visiting a monastery or dzong and remember to take your shoes off.
• Respect local customs and traditions. Don’t click photos inside religious sites without permission. 
• Smoking is banned in public places and sale of tobacco is also restricted.