Preparation of DPR for Landslide area of km. 63 of Ramnagar Bhandarpani Amgari Bohrakot Okhaldhunga Malli Sethi Betalghat Ratura Bhujan Vishalkot Jana Richi Billekh (SH 71) with slop stabilization test in District Nainital, Block Betalghat in the s (投標 №96323710cn)