The Internal Line Permit (ILP) cost for Nubra Valley can be broken down as follows.
Environmental fee: ₹ 400 ($5.30)
Red Cross donation: ₹ 100 ($1.30)
Wildlife conservation fee: ₹ 20/day ($0.25)
For example, a permit valid for three days costs ₹ 560 ($7.40).
There is also a small processing fee of about 200 ₹ ($2,70) unless you go to the Deputy Commissioner's office yourself to get the permit stamped.
Exchange rates may vary!