The Brahmaputra is the longest river in India, flowing through several states before entering Bangladesh.

The Sutlej River is a major source of irrigation in Punjab, supporting agriculture in the region.

The Yamuna River is the primary source of water for the city of Delhi.

The Narmada River originates from the Western Ghats and flows westward into the Arabian Sea.

Alauddin Khilji is known for his administrative reforms and the introduction of the 'Iqtadari' system.

Akbar is known for his policy of religious tolerance and cultural integration, promoting harmony among different communities.

The Indus Script is the writing system used by the people of the Indus Valley Civilization, though it remains undeciphered.

Political Science focuses on the study of government and political processes.

Muhammad bin Tughlaq attempted to introduce a token currency, which ultimately failed.

Alauddin Khilji is known for his market reforms and implementing price control measures during his reign.

The Zamindari system was used to collect revenue from peasants, where zamindars acted as intermediaries.

The Zabti system was introduced by Akbar to standardize revenue collection based on land assessment.

The Upanishads are associated with the philosophical ideas of the Vedic Age, exploring concepts like Brahman and Atman.

The Rigveda is considered a primary source of information about the Vedic Age, containing hymns and rituals of early Vedic society.

Polyculture is characterized by the cultivation of multiple crops on the same land, promoting biodiversity and sustainability.

Dunes are landforms created by the erosion of rock by wind.

Mountains are often formed by volcanic activity, where magma from beneath the Earth's crust erupts and builds up over time.

Igneous rock is formed from the cooling and solidification of magma.

Only citizens can vote in federal elections.

Congress has the power to declare war.

The President is the head of the executive branch of the government.

Sardar Vallabhbhai Patel is known as the 'Iron Man of India' for his significant role in the freedom struggle and unification of India.

As of October 2023, John Roberts is the Chief Justice of the United States.

Local citizens are typically responsible for electing their local government officials.

Mahatma Gandhi led the Salt March in 1930 as a nonviolent protest against British salt laws.

Abul Fazl was the chief minister and a close advisor to Akbar, playing a significant role in the administration.

Hannibal was the Carthaginian general who famously crossed the Alps to invade Italy during the Second Punic War.

Kabir was a prominent poet-saint associated with the Bhakti movement, advocating for devotion to a single God.

Qin Shi Huang was the first emperor of a unified China, ruling from 221 to 210 BCE.

Hatshepsut was the first female pharaoh of Egypt, ruling in the 15th century BC.