Dev Shri Guest House is located on the main road in Duggalbitta, just 7 kms before the trekking point. It is just opposite of PWD Guest house of Chopta.
Location on Google Maps: https://www.google.com/maps/@30.4875043,79.1753144,17.58z
You can easily reach Chopta by road from Dehradun, Haridwar, Rishikesh, Kotdwar. Best way is to self drive or hire a cab for your tour. If you want to you can also take bus till Ukhimath and then take taxi to reach Chopta.