Dehra was a town of British India, currently a tehsil in Kangra district in Himachal state, India. The River Beas divides the town into Dehra & Gopipur. Dehra is the oldest of Tehsil in Himachal Pradesh. As the town is fusion of two words Dehra & Gopipur both have a reason for the same. Gopiupur being an older version & from the times of Mahabharta.
According to the legend when Kalyavana (the Yavan or Greek) demon was running behind lord Krishna lord disappeared in some caves in the Gopipur foothills & killed the demon inside the caves. An ancient Pandav temple is the oldest temple in the town aging from the time of Mahabharata. The town of Dehra is as recent as mid 15th century when foreign invaders used this place as a DERA (camp) for their expedition to hill states. British made the evolving town as the tehsil in year 1868.