Dharmnath Mandir is an ancient Hindu temple dedicated primarily to Lord Shiva and located in the Pratap Nagar–Ratanpura area of Chhapra, Saran, Bihar. Local traditions describe the temple as being associated with Baba Dharmanath and a revered Shiva Lingam. Local accounts consider the shrine to be around a thousand years old, although this is a traditional belief rather than a formally verified historical date. Devotees visit the temple to worship Lord Shiva and seek blessings for peace, strength, health, prosperity, and spiritual well-being. The temple is particularly significant during Mondays, Shravan month, Mahashivratri, and other important occasions dedicated to Lord Shiva. The devotional atmosphere of the temple attracts local residents as well as visitors from surrounding areas. The temple is also associated with worship of other Hindu deities within its premises, according to local descriptions