Kathmandu, Dec. 9 -- The Commission for the Investigation of Abuse of Authority (CIAA) has filed a corruption case at the Special Court against six individuals including the then chief of the Drinking Water and Sanitation Division Office in Dang over alleged irregularities in the deep boring construction under the Harigaun Water Supply Project.According to the CIAA, the project cost estimate of Rs 3.063 million for Fiscal Year 2023/24 had been approved and the procurement process initiated. However, former Division Chief Bhola Prasad Thapa, engineer Basanta Kumar Dulal, section officer (sixth level) Madhav Prasad Timilsena, sub-engineer Nutan Acharya and accountant Manoj Bista were found to have colluded with Jay Kali Drilling Constructio...