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🌏 Geography of Bihar Chapter 10: River Valley Projects (नदी घाटी परियोजनाएँ)

Module 4: Ongoing Projects and Classification of Irrigation Schemes

📖 Chapter 10 of 17 🧩 Module 4 of 6 ⏱️ ~3 min read 💡 10 MCQs
Topic Part 1 of 2

Concept

Subtopic 4.1: Ongoing and Inter-state Projects

  • Current position (2025-26): the Kosi-Mechi intra-state link project (cost ₹6,282.32 crore, central assistance about ₹3,652 crore) will irrigate 2.10 lakh ha in Araria, Purnia, Kishanganj and Katihar; completion is targeted for March 2029. It carries Kosi water from the Hanuman Nagar barrage to the Mechi, a Mahananda tributary.
  • 18 major projects are at various stages of construction, e.g. the West Kosi canal, Upper Kiul reservoir, Durgavati reservoir, Ajay barrage and Bateshwar Sthan Phase I.
  • Inter-state schemes include the Bansagar project on the Son (printed as Chhattisgarh-UP-Bihar; usually described as MP-UP-Bihar), the Kadwan reservoir, Kanhar reservoir, Jamania pump canal and the Upper Mahananda irrigation scheme.
⭐ Key Points
  • Araria, Purnia, Kishanganj and Katihar (2.10 lakh ha).
  • The Mahananda.
  • 18 major projects are under construction.
  • Bansagar is on the Son river.
  • Durgavati is among the 18 ongoing major projects; Kanhar, Kadwan and Jamania are inter-state.
  • The Upper Mahananda irrigation scheme is listed among inter-state schemes.
📌 One-line Q&A
  • Question: The Kosi-Mechi link project will benefit which districts? Answer: Araria, Purnia, Kishanganj, Katihar.
  • Question: The Mechi river, linked to the Kosi under the new project, is a tributary of the: Answer: Mahananda.
  • Question: How many major projects are at various stages of construction in Bihar? Answer: 18.
  • Question: The inter-state Bansagar project is on which river? Answer: Son.
  • Question: Which of these is an ongoing major project, not an inter-state scheme? Answer: Durgavati reservoir.
  • Question: Which irrigation scheme for North-East Bihar is listed among inter-state schemes? Answer: Upper Mahananda irrigation scheme.
Topic
Questions

MCQs

Answer this question, then use Next.

Question 1: The Kosi-Mechi link project will benefit which districts?

Araria, Purnia, Kishanganj and Katihar (2.10 lakh ha).

Question 2: The Mechi river, linked to the Kosi under the new project, is a tributary of the:

The Mahananda.

Question 3: How many major projects are at various stages of construction in Bihar?

18 major projects are under construction.

Question 4: The inter-state Bansagar project is on which river?

Bansagar is on the Son river.

Question 5: Which of these is an ongoing major project, not an inter-state scheme?

Durgavati is among the 18 ongoing major projects; Kanhar, Kadwan and Jamania are inter-state.

Question 6: Which irrigation scheme for North-East Bihar is listed among inter-state schemes?

The Upper Mahananda irrigation scheme is listed among inter-state schemes.
Question 1 of 6

One-liners

Write your answer, then submit to see the correct answer.

The Kosi-Mechi link project will benefit which districts?

Araria, Purnia, Kishanganj, Katihar.

The Mechi river, linked to the Kosi under the new project, is a tributary of the:

Mahananda.

How many major projects are at various stages of construction in Bihar?

18.

The inter-state Bansagar project is on which river?

Son.

Which of these is an ongoing major project, not an inter-state scheme?

Durgavati reservoir.

Which irrigation scheme for North-East Bihar is listed among inter-state schemes?

Upper Mahananda irrigation scheme.
Question 1 of 6
Topic Part 1 of 2

Concept

Subtopic 4.2: Classification of Irrigation Schemes

  • Irrigation works are divided into major and minor works; the Planning Commission introduced the new classification from 1978-79.
  • Major schemes command more than 10,000 ha of culturable area.
  • Medium schemes command 2,000 to 10,000 ha.
  • Minor schemes command up to 2,000 ha.
Classification of irrigation schemes (Planning Commission, from 1978-79)
Figure: Classification of irrigation schemes (Planning Commission, from 1978-79)
⭐ Key Points
  • Major schemes command more than 10,000 ha.
  • Medium schemes command 2,000 to 10,000 ha.
  • The new classification began in 1978-79.
  • Minor schemes command up to 2,000 ha.
📌 One-line Q&A
  • Question: A scheme commanding more than 10,000 ha of culturable area is classified as what? Answer: Major.
  • Question: Medium irrigation schemes command how much culturable area? Answer: 2,000 to 10,000 ha.
  • Question: From which year did the Planning Commission introduce the new classification of irrigation projects? Answer: 1978-79.
  • Question: A minor irrigation scheme commands up to how much area? Answer: 2,000 ha.
Topic
Questions

MCQs

Answer this question, then use Next.

Question 1: A scheme commanding more than 10,000 ha of culturable area is classified as what?

Major schemes command more than 10,000 ha.

Question 2: Medium irrigation schemes command how much culturable area?

Medium schemes command 2,000 to 10,000 ha.

Question 3: From which year did the Planning Commission introduce the new classification of irrigation projects?

The new classification began in 1978-79.

Question 4: A minor irrigation scheme commands up to how much area?

Minor schemes command up to 2,000 ha.
Question 1 of 4

One-liners

Write your answer, then submit to see the correct answer.

A scheme commanding more than 10,000 ha of culturable area is classified as what?

Major.

Medium irrigation schemes command how much culturable area?

2,000 to 10,000 ha.

From which year did the Planning Commission introduce the new classification of irrigation projects?

1978-79.

A minor irrigation scheme commands up to how much area?

2,000 ha.
Question 1 of 4