Okara
Okara is the capital city of Okara District in the Punjab province of Pakistan.
The city is located southwest of the city of Lahore and Faisalabad is 100 km bypassing away Ravi River.
It is known for its agriculture-based economy and cotton mills.
Satluj River
Satluj
The Sutlej or Satluj River is the longest of the five rivers that flow through the historic crossroads region of Punjab in northern India and Pakistan.
The Sutlej River is also known as Satadru.
It is the easternmost tributary of the Indus River.
Bhakra Nangal Dam is a concrete gravity dam on the Satluj River in Bhakra Village in Himachal Pradesh.
The Bhakra Dam is built to provide irrigation and other facilities to the states of Punjab, Rajasthan and Haryana.
The waters of the Sutlej are allocated to India under the Indus Waters Treaty between India and Pakistan.
Mostly diverted to irrigation canals in India like the Sirhind Canal, Bhakra Main Line and the Rajasthan canal.
The drainage basin in India includes the states and union territories of Himachal Pradesh, Punjab, Ladakh and Haryana.
The source of the Sutlej is west of the catchment area of Lake Rakshastal in Tibet, as springs in an ephemeral stream.
Lake Rakshastal used to be part of the Sutlej river basin long ago and separated from the Sutlej due to tectonic activity.
The nascent river flows under the Tibetan name Langqên Zangbo (Elephant River or Elephant Spring) to the Shipki La pass, entering India in Himachal Pradesh state.
Ropar Wetland in Punjab is located on the Sutlej river basin.
The Sutlej unites with the Chenab River, forming the Panjnad River, which finally flows into the Indus river.
Tributaries
Left - Baspa
Right - Spiti, Beas, Chenab
Sutlej is an antecedent river, which existed before the Himalayas and entrenched itself while they were rising.
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