Explanation

Sidhnai Headworks has been constructed on the Ravi River.

The new Sidhnai Barrage was constructed 31000 ft upstream of old Sidhnai weir with design capacity of 150,000 Cs

Downstream straight reach was excavated and widened to increase the capacity from 100,000 Cs to 150,000 Cs.

Explanation

The largest river in Pakistan is the Indus River.

It is the National River of Pakistan

The Indus River starts in Tibet

It originates from the Mansarovar lake

They flow through India, Pakistan,

It finally falls into the Arabian Sea near Karachi.

They start making a delta near the city of Thatta

The old name of the Indus River was Sindhu

There 6 Barrages constructed in the Indus River

The Length of the Indus River is 3,180 km

The 2nd source of  Indus River is Gar Tsangpo

The upper Indus Plain starts from Kalabagh

The upper Indus Plain ends at Mithankot 

Additional information:

The second longest river of Pakistan is Sutlej river.

Explanation

The Mangla Dam is situated on the Jhelum River 

It is the seventh-largest dam in the world.

Construction was started in 1961 

It was completed in 1967.

It has 5 tunnels and a power station

Explanation

Lotus Lake is located in Islamabad, Pakistan.

It is known for its serene environment and blooming lotus flowers during the season.

It attracting visitors for its natural beauty.

Explanation

Mangla Dam, located on the Jhelum River in Pakistan’s Mirpur District, Azad Jammu and Kashmir.

It is a multipurpose dam.

It is the world's seventh-largest dam.

It was constructed between 1961 and 1967 with assistance from the World Bank.

The dam features five tunnels and a power station.

It is named after the nearby village of Mangla.