The permit is issued by the Sub-Divisional Magistrate at Dharchula. Since 27 May 2024 it can also be processed at Pithoragarh district hospital, rooms 28 and 29, where police verification, the medical check and the notary sit together, so it is possible to arrive at Dharchula with the permit already in hand.
An online portal exists at ilppithoragarh.uk.gov.in. Check it before you travel rather than assuming either way: it has been suspended outside the season, and when it is suspended new registration is closed entirely. Payments made through it are not refundable once a permit is approved.
The Inner Line is not at Dharchula. It is at Chiyalekh, above the town, and the Indo-Tibetan Border Police check the documents of everyone who passes it. You obtain the permit lower down; the line you cross is higher up. In April 2026 a group reached the Adi Kailash area without a permit, the video circulated, and the SDM ordered an ITBP investigation. Enforcement here is real.
The permit is valid for four days. It was cut from fifteen days on 22 May 2024 by the District Magistrate, explicitly to reduce crowding at altitude, and the four-day rule was reaffirmed for the following season. Four days does not accommodate a leisurely trip, and any itinerary that ignores this is not a real itinerary. Confirm the current figure with the SDM office before you fix dates.