Innovations, the Varna-Jati System & Developments Beyond the Ganga

NCERT Exploring Society: India and Beyond (Grade 7 Part I) | Chapter 4

More Innovations — Iron, Coins & New Ideas

The age of the janapadas and mahajanapadas was a period of far-reaching transformation that would shape Indian civilisation for millennia. The late Vedic, Buddhist, and Jain schools of thought emerged during this era (as studied in the Grade 6 chapter on ‘India's Cultural Roots’), spreading their teachings through scholars, monks, and nuns travelling across the subcontinent.

The Iron Revolution

While the Harappan civilisation had mastered copper and bronze metallurgy, the Second Urbanisation witnessed a major shift to iron metallurgy^?. The techniques of extracting and shaping iron had been developing in several Indian regions from the early 2nd millennium BCE, but it took several centuries for iron to become integral to daily life. By the late 2nd millennium BCE, iron tools were widespread and transformative:

The First Indian Coins

Another major innovation was the introduction of punch-marked coins^?, made necessary by expanding trade. The earliest Indian coins were fashioned from silver, a soft metal into which symbols could be stamped or ‘punched’. Later, copper, gold, and other metals were also used. Generally, each mahajanapada issued its own coins, though coins from neighbouring regions circulated freely through trade networks.

The Varna–Jati System

As civilisations grow more complex, societies naturally organise into groups based on occupation, class, or other criteria. In India, this organisation took the form of a two-fold system involving jati^? and varna^?.

The Jati System

A jati was a community of people associated with a specific professional occupation closely tied to their livelihood. The skills defining a particular jati — whether in agriculture, metallurgy, commerce, or crafts — were generally transmitted from one generation to the next. Over time, jatis often subdivided further into sub-jatis, each developing its own customs regarding marriage, rituals, and food habits.

The Four Varnas

Alongside the jati system existed the concept of varna, which emerged from Vedic texts. There were four varnas:

Historical evidence from texts and inscriptions shows that in earlier periods, individuals and communities could and did change their professional occupations when circumstances demanded. A drought might force farmers to migrate to a city and take up new work; some Brahmins turned to trade or even military activities. While this complex system gave Indian society stability and organisation, it gradually became more rigid over time, leading to inequalities and discrimination towards lower jatis and communities excluded from the varna-jati framework. This process will be studied in greater detail in higher grades.

Developments Elsewhere in India

The Great Trade Routes

During the 1st millennium BCE, important communication routes opened across India for trade, pilgrimage, and military campaigns. Two routes became especially prominent:

Lateral roads also branched off to connect with important ports on the western and eastern coasts, which served as vibrant centres of maritime trade.

Eastern and Southern India

In the east, major cities emerged, such as Shishupalgarh (today part of Bhubaneswar), which was the capital of the Kalinga region. It followed a strict square ground plan with imposing fortifications and broad streets. In the south, cities began emerging from about 400 BCE, and three powerful kingdoms rose to prominence — the Cholas, the Cheras, and the Pandyas. These southern regions, rich in precious stones, gold, and spices, traded profitably not just within India but also with kingdoms overseas.

By 300 or 200 BCE, nearly the entire subcontinent, including the northeastern regions, formed one vibrant, interconnected land. Goods and cultural influences travelled freely from region to region, and often beyond India to Central and Southeast Asia.