 saichu sach khas saichu sach khas gayathri mon 6192023 1721 the project is proposed to be located on left bank of saichu nallah a tributary of river chenab in district chamba himachal pradesh the project envisages the construction of a barrage across saichu nallah underground power house shall be located on the left bank of saichu nallah near village sach khas in district chamba of himachal pradesh capacity 117 mw design energy in 90 dependable year 41846 mu gross head 40633 m diversion structure gated barrage 15m height head race tunnel 1125 km long 4m dia d shape concrete lined penstock pressure shaft one no underground 796 m long 3 m dia power house underground type to house three no vertical axis pelton turbine with generation units of 39 mw each village sach khas district chamba state himachal pradesh projects under prefeasibility stage 927 mw  chenab saichu nallah chamba hp 117 mw  