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Question 117 of 131 · Rivers, Lakes & Dams of India
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State PCS

Himayat Sagar, an artificial lake built on the Esi river, is located in which state?

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Answer: Option B — Telangana

Detailed Solution

Himayat Sagar is an artificial reservoir about 20 km south-west of Hyderabad, in Telangana. It was built across the Esi (Isa) river, a tributary of the Musi.

History:

In 1908, the Musi river caused a catastrophic flood in Hyderabad, killing thousands of people and destroying many homes.

After the flood, the Nizam's government asked the engineer Sir M. Visvesvaraya to suggest flood-control measures. He recommended building reservoirs upstream of the city.

Two reservoirs were built:

  • Osman Sagar (Gandipet), on the Musi, completed in about 1920.
  • Himayat Sagar, on the Esi, completed in about 1927.

They were built during the reign of Mir Osman Ali Khan, the last Nizam of Hyderabad. Himayat Sagar is named after his son, Azam Jah, whose title was Himayat Ali Khan.

Purpose and importance:

  • The reservoirs protect Hyderabad from floods.
  • For decades, they were the main sources of drinking water for Hyderabad and Secunderabad.
  • They are protected by a government order that limits construction in their catchment area, to keep the water clean.
  • The lakes attract many migratory birds and are popular picnic spots.

Other lakes of Hyderabad:

Hussain Sagar is a heart-shaped artificial lake built in 1562 during the reign of Ibrahim Quli Qutb Shah. It connects Hyderabad and Secunderabad, and a large monolithic statue of the Buddha stands on the Gibraltar Rock in the middle of the lake.

Durgam Cheruvu is known for its cable-stayed bridge.

About the Musi:

The Musi is a tributary of the Krishna. Hyderabad stands on its banks.

Why not the other options?

  • ✗Maharashtra has artificial lakes such as Vihar, Tulsi and Powai in Mumbai.
  • ✗Goa has no lake of this name.
  • ✗Uttarakhand's lakes are mainly natural Himalayan lakes like Nainital and Bhimtal.

Quick tip

Remember: Himayat Sagar (Esi) and Osman Sagar (Musi) were built after the 1908 Musi flood to protect Hyderabad, Telangana.

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Rivers, Lakes & Dams of India — Preparation

This question tests your understanding of Rivers, Lakes & Dams of India, a key topic in the General Knowledge section. The detailed solution above uses a step-by-step approach to show the reasoning, and where available, a shortcut that helps you solve similar questions in under 90 seconds during the actual exam.

This topic covers India's drainage system: the Himalayan rivers (the Indus, Ganga and Brahmaputra systems), the peninsular rivers (Godavari, Krishna, Kaveri, Narmada, Tapi and Mahanadi), their tributaries and origins, waterfalls, lakes, and the major dams and multipurpose river projects. Exams ask about the origin of a river, its tributaries, the cities on its banks, and the river on which a dam is built. For example, the Bhakra Nangal Dam is on the Sutlej, the Hirakud Dam on the Mahanadi, and the Sardar Sarovar Dam on the Narmada. Remember that the Narmada and Tapi flow west into the Arabian Sea, while most peninsular rivers flow east. Practise the rivers, lakes and dams of India questions below, written in the style of the general awareness sections of exams such as SSC, banking, railways, CUET GAT, MAH CET and CLAT. Each question comes with a detailed explanation that adds related facts, so every question helps you revise more than one point.

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