Explanation

• The area between the Jhelum and Chenab rivers is called Chaj Doab.
• The word Doab means the land between two rivers.

Chenab River:

• Originates from the Himalayan region of Himachal Pradesh, India.
• Enters Pakistan through Jammu and Kashmir.

Jhelum River:

• Originates from Verinag Spring, Jammu and Kashmir.
• Joins the Chenab River at Trimmu, Pakistan.

1. Bari Doab – Between Beas and Ravi
2. Bist Jalandhar Doab – Between Beas and Sutlej
3. Rachna Doab – Between Ravi and Chenab
4. Chaj Doab – Between Chenab and Jhelum
5. Sind Sagar Doab – Between Indus and Jhelum

Last verified on 25-06-2026

Explanation

• The smallest river of Pakistan is River Ravi.
• It is one of the five major rivers of the Indus River system.
• Ravi originates from Himachal Pradesh (India) and enters Pakistan.
• It flows along the Indo-Pak border before fully entering Punjab.

Additional information:

• The largest/longest river of Pakistan is River Indus.
• It flows from Tibetan Plateau and enters Pakistan from Gilgit-Baltistan.
• It finally drains into the Arabian Sea near Karachi.

Last verified on 24-06-2026

Explanation

• Tarbela Dam was built on the Indus River.
• It is located mainly in the Swabi District Tehsil Topi of KPK.
• It is the largest earth-filled dam in the world.
• The Construction began in 1968. 
• They were Opened in 1976.
• Height: 470 feet (143 m)

Last verified on 30-03-2026

Explanation

• Rivers: Chenab + Jhelum
• Location: Jhang District, Punjab
• Type: Barrage (Headworks)
• Built during: British colonial period (1937-1939)
• Purpose: Flood control + irrigation

Last verified on 09-06-2026

Explanation

There are three major barrages in Sindh.

1. Guddu Barrage – Foundation laid on 2 February 1957
2. Kotri Barrage – Completed in 1955
3. Sukkur Barrage – Built 1923–1932 (British era, also called Lloyd Barrage)

These barrages are built on the Indus River.

Additional information:

• Sindh is known as Bab-ul-Islam.
• It has 30 districts and 6 divisions.
• Kirthar Range is the main mountain range in Sindh.

Last verified on 26-04-2026