Phudung ( Ziding Kho) River, a tributary of Bichom river originates in glacial peaks in Sakteng region of Bhutan in higher Himalayan range at an elevation of 4500m and flows mostly in West- Easterly direction.

The catchment area at the diversion site is 423 km2.
This part of catchment is both rain fed and snow melt.
CWC discharge data available for 23 years.
Design discharge is 22.57 Cumecs


Dikshi Village, Near Rupa , West Kameng District , Arunachal Pradesh. Power House Location

 920 19’43.86”E, 2713’19.62”N


24 MW ( 3 x 8 MW )

Scheme Components

Trench Weir, Head Regulator, Feeder Channel, Desilting Chambers Head Race Tunnel, Adits, Forebay, Pen Stock, Power House, Tail Race Channel, Francis Turbines Coupled with Synchronous Generator, Switch Yard and other controlling accessories.

Hydraulic Turbines

Type : Horizontal Francis
Design Head : 113 M

FRL at Barrage Intake - 1704.00 m
Max. Tail Water Level - 1577.00 m
Minimum Tail Water Level - 1575.00 m
Design Discharge - 22.57 cumec

Expected Generation

 About 100 MU of Clean Power in 90% dependable year.

Project Outlay

About Rs.427 Cr including Power Evacuation as on COD

Power evacuation

32 km of 132 KV Transmission system connecting Power House and Interconnection point on 132 KV Balapara - Khuppi Line via 132 KV Switching Station near Tenga Village.

Sale of power

Entire power is tied up with Department Of Power, GOAP


Commissioned on Sep 19, 2019