About Tehri Garhwal
Tehri Garhwal is a district in the hill state of Uttarakhand, India. Its administrative headquarters is at New Tehri. It is surrounded by Rudraprayag District in the east, Dehradun District in the west, Uttarkashi District in the north, and Pauri Garhwal District in the south. Tehri Garhwal is a part of the Himalayas.The name Tehri has been derived from Trihari, signifying a place that washes away the three types of sins – sins born out of Mansa, Vacha and Karmana or thought, word and deed, respectively. Garh in Hindi means fort.
Source: Wikipedia