There is crack at the historic Rangghar even as the local people have attributed to the on going seismic survey in and around the monument built by the Ahom Swargadeo Pramatta Singha. The has resulted in a clash between security guards of a seismic survey company and the local people. But the All Assam tai Ahom Student Union demanded a halt to the survey within 24 hours. The student organisation wondered how the district administration permitted the seismic survey near the historic monument. The leaders of the organisation have threatened to launch an intensified protest if the survey is not stopped within 24 hours.