Go to the gem located close to India before the world flocks and make them what they are now a history. The famous things to do and lot of people fly to Bhutan and do is trekking. Bhutan offers easy to difficult trekking ranging from a day to 31 days. This itinerary excludes trekking as they have their own itinerary. Bhutan has lot more to offer than trekking and devised an itinerary for a peaceful vacation.
Punakha is the old capital of Bhutan but uncommercialized. Spending a day in Punakha would be refreshing. Festivals are very famous and a must-to-experience thing. Plan your Punakha stay according to Festival date (if possible).