There are 3 temples in the complex and the main temple is the oldest. Maharaja Gopal Das Singh of Mani Majra, who was enthroned in 1783, constructed the present main temple of Shri Mansa Devi, which is situated on the Shivalik foothills in the village Bilaspur, Tehsil and District Panchkula, during the period 1811–1815. At a distance of 200 meters from the main temple is the Patiala Shivalaya temple which was constructed by Karam Singh, a Jat Sikh, the then Maharaja of Patiala in the year 1840. This temple had the patronage of Manimajra Princely State.
The Patiala temple, within the Mansa Devi temple complex, Panchkula, built-in 1840 AD.,Yagya Shala, within the Mansa Devi temple complex ,A peepal tree, the sacred tree in Hinduism, at the temple.
Three temples and architecture : There are 3 temples in the complex, main temple of Shri Mansa Devi built during 1811–1815 by Maharaja Gopal Das Singh of Mani Majra is oldest, Patiala Shivalaya temple constructed in 1840 by Patiala's Maharaja Karam Singh is at a distance of 200 m from the main temple of Shri Mansa Devi.
Haryana Samvad Archived 29 November 2018 at the Wayback Machine, Oct 2018, p39.</ref> In the Shiva temple, there are 38 panels of wall paintings as well as floral designs painted on the ceiling and arches leading to the temple, which according to an inscription were painted by Aged in Vikram Samvat 1870 (813 CE).