Dehradun History of Dehradun It is believed that in Dvapar Yuga Guru Dronacharya meditated on Deodar mountain, 19 km east of Dehradun city near Diregaon . Due to this valley is called Dronashram . Kedarkhand is considered a part of Skandpuran. It describes the boundaries of Garhwal as follows - from Gangadwar-Haridwar to the Shwantanta mountain and the elaborate plots from the Tamsa-Tons river to Nanda Devi at Budhanchal-Baghan on which the Ganges flows on one side and the Yamuna River on the other. The flow of Tamsa also passes through Dehradun. From the Ramayana period, there is a description about Dehradun that Lord Rama and his younger brother Lakshman came to this area after the war with Ravana. The British writer GRC Williams, in the Memoirs of Doon, mentions Brahmin Janushruti, that after the victory of Lanka, the Brahmin came here with Lord Rama Lakshmana on the advice of Guru Vashistha to atone and kill Ravana. Rama did penance for years in Rishikesh and Lakshman ...