RRB Group D GK Questions 2026

In this method small narrow channels are run between the ridges on which a row crop stands, and only those channels are filled.

Sandy soil drinks water too fast for any surface method, and an uneven surface cannot be flooded evenly without heavy levelling.

A khadin is an earthen bund built along the lower edge of a rocky slope in the desert.

The Bisalpur dam stands on the Banas in Tonk district and was built mainly to supply drinking water, which it pipes to Jaipur, Ajmer and Tonk, besides irrigating land in Tonk itself.

The four structures of the project stand in a fixed order from upstream to downstream, and the order itself is the question: Gandhi Sagar in Mandsaur district of Madhya Pradesh, then Rana Pratap Sagar at Rawatbhata in Chittorgarh, then Jawahar Sagar near Borawas in Kota, and last the Kota barrage…

The Chambal rises at Janapav hill in the Vindhyan highlands of Madhya Pradesh and then flows along and through Rajasthan, so the two states built the valley scheme together and share its cost and its benefits equally.

It was opened in 1927, draws Sutlej water from the Hussainiwala headworks near Ferozepur and carries it into Sri Ganganagar, which became the first and for long the only canal irrigated district of Rajasthan.

The project was planned by the engineer Kanwar Sain in 1948 under that name, the foundation stone was laid on 31 March 1958, and the canal was renamed the Indira Gandhi Canal in 1984.

It stands in Punjab just below the point where the Beas joins the Sutlej, so it can command the combined flow of the two rivers.

Although the Indira Gandhi Canal and the Chambal canals are the famous works of the state, they water only a part of it.

The solar park built in Rewa district was among the largest single site solar parks in the country when it was commissioned, and part of its electricity is bought by the Delhi Metro, the first sale of solar power from such a park to a buyer outside the state.

Indira Sagar was built at Punasa in Khandwa district and is the largest reservoir of the state and the main storage of the Narmada valley plan, holding water for irrigation and power through the dry months.

The Vindhyachal station stands on the Singrauli coalfield, drawing coal from mines beside it and water from the Rihand system, and it is the largest thermal power station in the country.

The Vindhyan limestone of Satna is thick, pure and close to the surface, so cement works clustered there and the district became the cement capital of the state, with Damoh, Katni, Jabalpur and Neemuch following.

The Singrauli field lies in the Gondwana basin of the east of the state and extends across the border into Sonbhadra in Uttar Pradesh.

Malanjkhand in Balaghat district is the largest copper ore deposit worked in India, mined and concentrated on the spot by Hindustan Copper, and the ore body lies in the ancient rocks of the Maikal range.

Panna is the only place in India where diamonds are mined in any quantity.

By status of development resources are grouped as potential resources, found in a region but not yet used; developed resources, surveyed and in use; stock, which exists but cannot be used for want of technology; and reserves, the part of the stock that can be drawn on in future with…

Conventional sources are those in long use before modern technology offered alternatives, that is coal, petroleum, natural gas, firewood, cattle dung cake and water power.

Coal, petroleum and natural gas were formed over millions of years from buried plant and animal remains, so once a seam or a field is worked out it is not replaced in any human timescale.