Ancient Indian History forms a crucial part of the NDA and CDS examinations, especially within the UPSC General Studies section. A clear understanding of the Prehistoric Age, Indus Valley Civilization, and Vedic Age helps aspirants handle both factual and conceptual questions effectively.

This article provides concise, easy-to-remember notes covering the entire span from the Prehistoric period to the Vedic civilization.

NDA & CDS 1 2026 Exam History – Ancient History – Class 1

1. Prehistoric Period of India

Prehistoric period refers to the phase before the invention of writing. It is divided into three major ages:

1.1 Paleolithic Age (Old Stone Age) – 2 million years ago to 10,000 BCE

Key Features

• Humans used rough stone tools made of quartzite.
• Nomadic hunters and food gatherers.
• No knowledge of agriculture or pottery.
• Use of caves and rock shelters.
• Important sites:
  • Bhimbetka (MP) – Rock shelters & cave paintings.
  • Sohan Valley (Punjab) – Pebble tools.
  • Kurnool Caves (Andhra Pradesh) – Bone tools.

Important Points for NDA/CDS

• Paleolithic art is mostly found in Bhimbetka.
• No pottery, no agriculture in this age.

1.2 Mesolithic Age (Middle Stone Age) – 10,000 BCE to 6,000 BCE

Key Features

• Development of microliths (tiny stone tools).
• Beginning of semi-sedentary lifestyle.
• Domestication of animals started.
• Hunting, fishing, and gathering continued.
• Important Sites:
  • Bagor (Rajasthan) – Domestication of cattle.
  • Bhimbetka – Later rock paintings.

Exam Tip

• Mesolithic period saw the first evidence of domestication of animals.

1.3 Neolithic Age (New Stone Age) – 6000 BCE to 2000 BCE

Features

• Agriculture began (wheat, barley).
• Domestication of sheep, goats, cattle.
• Use of polished stone tools.
• Creation of pottery.
• Permanent settlements and early villages emerged.

Important Sites

• Mehrgarh (Pakistan) – Earliest evidence of agriculture & cattle domestication.
• Burzahom (J&K) – Pit dwellings.
• Chirand (Bihar) – Bone tools.

1.4 Chalcolithic Age (Copper-Stone Age) – 2000 BCE to 700 BCE

Features

• First use of copper along with stone tools.
• Rural settlements with small villages.
• Painted pottery culture.
• Important Sites:
  • Ahar (Rajasthan) – Copper tools.
  • Kayatha & Malwa (MP) – Painted pottery.
  • Jorwe (Maharashtra) – Distinct red pottery.

2. Indus Valley Civilization (IVC) – 2600 BCE to 1900 BCE

Also known as Harappan Civilization, it is one of the world’s earliest urban civilizations.

2.1 Major Features

Urban Planning

• Grid pattern streets (N-S, E-W).
• Advanced drainage systems.
• Use of baked bricks.
• Public baths & granaries.

Important Cities

• Harappa (Punjab) – Granary, cemetery sites.
• Mohenjo-Daro (Sindh) – Great Bath, large granary.
• Dholavira (Gujarat) – Unique water reservoir system.
• Lothal (Gujarat) – Dockyard.

Economic Activities

• Agriculture: Wheat, barley, cotton (first in the world).
• Trade with Mesopotamia.
• Use of seals, weights & measures.

Society & Culture

• No clear evidence of kings or temples.
• Mother Goddess worship.
• Use of fire altars at Kalibangan.
• Script still undeciphered.

Art & Craft

• Bronze dancing girl (Mohenjo-Daro).
• Bearded priest statue.
• Pottery with geometric designs.

Decline

Probable causes:

• Climate change
• Floods
• River course changes (Saraswati drying up)
• Invasion theories (less accepted now)

3. Vedic Civilization (1500 BCE – 600 BCE)

Divided into:

• Early Vedic Period (Rig Vedic Age): 1500–1000 BCE
• Later Vedic Period: 1000–600 BCE

3.1 Early Vedic Period (Rig Vedic Age)

Society

• Pastoral society; cattle were main wealth.
• Families were patriarchal.
• Varna system in its most basic form: Brahmana, Kshatriya, Vaishya, Shudra.

Economy

• Cattle rearing main occupation.
• Limited agriculture.

Political System

• Tribal system.
• Important assemblies: Sabha, Samiti, Vidhata, Gana.

Religion

• Worship of nature gods: Indra, Agni, Varuna, Surya.
• No idol worship.

3.2 Later Vedic Period (1000–600 BCE)

Changes in Society

• Settled agriculture increased.
• Iron use began (Krishna-Godavari region).
• Emergence of complex varna system.
• Kingship became stronger.

Political Changes

• Sabha and Samiti weakened.
• Rise of taxation and armies.
• Large kingdoms (Mahajanapadas) started emerging.

Religion

• Worship of Prajapati, Rudra, Vishnu increased.
• Beginning of rituals, sacrifices (Yajnas).
• Importance of Upanishads and spiritual philosophy.

4. Key Differences – Indus Valley vs Vedic Civilization