It is the oldest and most revered religious site in the Saptari district[4][5] and draws thousands of devotees from Nepal and India during Bada Dashain and other festivals to worship the Hindu goddess Bhagawati.
[9][10] Nanyadeva, who was from Karnata, left his state and ran through Pataliputra and came to stay in Bara district of Nepal.
[14] He was overthrown in a coup d'état by his general and minister Chadeshwar Thakur with the help of Think-tank council in 1295 CE.
He cleared the dense jungle with his men to build a temple and establish his goddess deity in his name as Sakhreswari.
[20] The Tughlaq armies cross through present-day Saptari to reach Simraungadh, which caused damage to this temple and idol of goddess Bhagawati.