slip clearance mulba of patta nallah, cross drainage syphon at rd 250 m and crossdrainage syphon at rd 975 m and mulba slip clearance from water conductor from rd 0 m to 375 m, rd 1835 m to rd 1860 m, rd 2570 m to 2600 m and rd 2680 to 2710 m of swea iii