Explanation:

 There is only one Sun temple in northern India and it is the Surya Narayan Mandir in Shimla district of Himachal Pradesh.
Located on the Hindustan Tibet road in a small village Nirath, just 15 kms from Rampur Bushr, this temple is believed to have been built some 4500 years ago by Lord Parshuram after the battle of Mahabharata. It is said that the battle, which also marked the end of Dwapar yug and onset of KaliyugaSome also believe that this Surya Narayan temple had been built by Pandavs while in exile .