Yes, you will have to register yourself before embarking on the Chardham yatra. The Uttarakhand government has made the registration compulsory. It can be done online and offline at various Biometric Registration Counters. These are located on the route of Char Dham Yatra. You will require one ID proof – either Aadhar card, PAN or Passport and that is needed for the registration. It is advisable to carry the ID all throughout the trip. The registration charge for the Chardham yatra is a nominal fee of rupees 50/- only.