Railway GK Questions 2026

The Khalji dynasty ended in 1320 when Khusrau Khan, who had seized the throne after Mubarak Shah Khalji, was defeated by Ghazi Malik, the governor of Dipalpur.

Muhammad bin Tughlaq, who ruled from 1325 to 1351, issued bronze and copper coins that were to pass at the value of silver.

Kharaj was the land tax on agricultural produce and the single largest source of revenue for the Delhi Sultanate. Alauddin Khalji raised the demand to half the produce in the doab and had land measured for assessment.

Alauddin Khalji, who ruled from 1296 to 1316, wanted a standing army paid directly by the state and under his own eye.

The Adhai-din-ka-Jhonpra stands at Ajmer in Rajasthan and was raised on the site of an earlier Sanskrit college by Qutbuddin Aibak, the founder of the Slave dynasty and the first Sultan of Delhi.

Shamsuddin Iltutmish, who ruled from 1211 to 1236, moved the seat of government from Lahore to Delhi, completed the Qutb Minar that his father-in-law had begun, issued the silver tanka and the copper jital, organised the iqta system of land assignments and formed the Turkan-i-Chihalgani, the corps of forty Turkish…

The Khalji or Khilji dynasty held the throne of Delhi only from 1290, when Jalaluddin Khalji seized power, to 1320, when Khusrau Khan was overthrown by Ghazi Malik.

Doab, from the Persian words for two and water, is the name for the tract of land between two rivers.

The Purvanchal or Eastern Hills are the southward continuation of the Himalayas beyond the eastern bend of the Brahmaputra, and they are made up of the Patkai Bum, the Naga Hills, the Manipur Hills and the Mizo or Lushai Hills.

Majuli lies in the Brahmaputra in Assam and is counted the largest river island in the world. The Brahmaputra carries an enormous load of silt from a young, rapidly eroding basin, and because its channel is braided and shifts often, it has built large islands and sandbars called chars.

The Pir Panjal is the longest and most important range of the Lesser or Himachal Himalaya, running from the Jhelum through Jammu and Kashmir towards Himachal Pradesh and separating the Kashmir valley from the Jammu plains.

The Himalayas were raised when the northward-moving Indian plate collided with the Eurasian plate and the sediments of the shallow Tethys Sea between them were compressed into great folds and thrust upward.

Kanchenjunga rises to 8,586 metres on the Sikkim-Nepal border and is the highest peak in India's undisputed territory, as well as the third highest in the world after Everest and K2.

Nathu La lies in eastern Sikkim on the old trade route from Gangtok to Lhasa and is one of the passes on India's border with the Tibet region of China; Jelep La, also in Sikkim, is the other.

Bhangar is the older alluvial deposit of the Northern Plains. It forms terraces that stand above the present flood level, so fresh silt no longer reaches it, and long leaching has left calcareous concretions called kankar in its profile.

The Bhabar is a narrow belt about 8 to 16 kilometres wide, laid along the foot of the Shiwalik range, where the rivers leaving the hills drop their coarsest load.

Karewas are thick beds of glacial clay, silt and other lake sediments laid down in the Kashmir valley, which lies between the Pir Panjal and the Greater Himalaya.

Duns are flat-floored longitudinal valleys formed where rivers coming out of the Lesser Himalaya were held up behind the rising Shiwalik and filled the depression with gravel and silt.

The Himadri is the innermost and northernmost of the three parallel Himalayan ranges, with an average height of about 6,000 metres.

Mendeleev arranged the elements by increasing atomic mass in 1869 and left blank spaces where his pattern demanded an element that was not yet known.