The history of Janki Garh Temple is deeply rooted in local folklore and religious beliefs. It is believed to be associated with the Ramayana, where Goddess Sita (Janki) is a central figure. While the exact construction date may be debated, the temple has been a significant place of worship for centuries. Local legends often recount stories of divine appearances and miracles associated with the site, adding to its sanctity. Over time, the temple has undergone renovations and expansions, reflecting the devotion of the community. The temple's historical significance is intertwined with the cultural and religious heritage of Champaran, making it an important landmark.