In the 1990s, college lecturer Harish Chandra Prusty discovered a Buddhist site on the Langudi Hill in Jajpur district. This is some distant from Udaygiri, the closest of the "triangle" sites, further up the river. In 1993, he and Pradeep Mohanty described the Langudi site in an article published in the "Bulletin of the Deccan College Research Institute". In 1996, the Orissa Institute of Maritime and South East Asia Studies and the Odisha state's archaeology department started exploring the site. Between 1996 and 2006, the Institute carried out excavations of an area stretching over .