Hi Sandeep, there are lot of experiences to indulge in Bhutan, including the visit to Tiger's nest, experiencing the budhist culture. I have attached with this comment few packages for Bhutan, you can click on them to find more details about them. If you want to talk to someone about the packages simply fill in your details in the form and you will receive a call.
Check my blog for Bhutan trip,
try Aara vine (made from rice), peach vine rum is also good and in whiskey try k5
vodka - raven, beer does not taste good there.