 chanju iii hep chanju iii hep gayathri mon 6192023 1107 chanju iii hep is located near village dantoi in district chamba of himachal pradesh the project has been contemplated as a runofthe river scheme on chanju nallah it envisages utilization of combined waters of chanju nallah and mehad nallah through a gross head of 47341m for generation of 48 mw of power in an underground power house on the left bank of chanju nallah the project is expected to generate 17619 mu in a 90 dependable year capacity 48 mw design energy in 90 dependable year 17619 gwh gross head 47341 m diversion structure chanju nallah drop type trench weir 2100 m 30 m x 200 m mehad nallah drop type trench weir 2100 m 15 m x 1 2m head race tunnel concrete lined d shaped tunnel 270 m x 300 m 5090 m in length penstock pressure shaft underground circular steel pipe 220 m dia 660 m in length power house under ground 6150 m x 1300 m x 2910 m village dantoi tehsil churah district chamba state himachal pradesh under construction 628mw  ravi chanju nallah mahed nallah chamba hp 48 mw 2x24mw  