It is believed that Devi Temple, Pahari is 850 years old; however, neither the archival sources nor the inscriptions are available to authenticate the hearsay. But, a 1904 British document has reference to Pahari ki Mandhi. Hence, with reference to the examination of the 304 archival files about Loharu State in the National Archives of India, contemporary traditions, popular songs, interviews, newspaper reports, other digital media plate forms and so on, this article authenticates that Devi (Pahari Mata) is not only 120 years old, but its history goes far beyond. Nevertheless, it has also been observed that the people’s beliefs in Devi show that whether there is a written history or not, but it has marked deep imprints on their mind. Devi is in every sphere of people’s life. It can be authenticated from the popular songs sung during the Ratijaga. Further, the role of blue bloods in the renovation of Devi temple at different intervals of time, placing other deities in the temple complex, construction of 48 Dharamshala in the compound for the pilgrims, and so on have been studied. It also discusses the role of Loharu rulers in sociocultural and economic life of the people. The religious policies of the state have also been examined. Simultaneously, it has also discussed the fair during Durga Puja [every six months Chaitra (March) and Aasoj (October)] and its cultural activities and of course people’s enthusiasm.