Indian nationals proceeding to Bhutan do not require a visa under any category but must carry proof of identification.
Royal Bhutanese Embassy
Chandragupta Marg, Chanakyapuri, New Delhi 110021
Tel : 91-11-26889230 / 9809 / 9807
Royal Bhutan Consulate, Kolkatta
6, Mall Road ,South Dum Dum, Kolkata, West Bengal 700080
Tel : 033 4012 3999