Direct Answer
The Vedic civilization in ancient India is historically divided into two consecutive eras based on archaeological and textual evidence:
- Early Vedic (Rigvedic) Period (c. 1500 BCE – 1000 BCE): Reflected in the *Rig Veda*; characterized by a pastoral nomadic lifestyle, egalitarian tribal polity, flexible social divisions, and high status for women.
- Later Vedic Period (c. 1000 BCE – 600 BCE): Reflected in the *Sama, Yajur, and Atharva Vedas* and Brahmanas; characterized by settled agrarian economy, discovery of iron (*Shyama Ayas*), territorial monarchies, rigid hereditary caste system, and decline in women's rights.
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Comprehensive Comparison Table
| Historical Dimension | Early Vedic Period (1500–1000 BCE) | Later Vedic Period (1000–600 BCE) |
| :--- | :--- | :--- |
| Geographical Extent | Sapta Sindhu (Land of Seven Rivers: Punjab, Indus, Saraswati) | Gangetic Plains (Aryavarta: Western & Eastern UP, Bihar) |
| Economy | Pastoral nomadic; cattle (*Gau*) was primary wealth measure; minimal agriculture | Settled agrarian; intensive rice & wheat farming enabled by iron axes and ploughshares |
| Political Power | Tribal chief called Rajan; power checked by assemblies; no standing army | Powerful territorial Monarchs (*Samrat, Ekarat*); divine kingship concept |
| Popular Assemblies | Sabha, Samiti, Vidatha, and Gana held real consultative power | Vidatha vanished; Sabha and Samiti dominated by nobles and priests |
| Social Stratification | Flexible Varna System based on occupation; social mobility allowed | Rigid Hereditary Caste System; birth determined caste; untouchability emerged |
| Position of Women | High status; attended Sabha/Vidatha; educated (female sages: *Gargi, Lopamudra*); no child marriage; widow remarriage allowed | Substantial decline; barred from political assemblies and education; child marriage and dowry emerged |
| Religious Worship | Nature worship of benevolent deities: Indra (warrior/rain god, 250 hymns), Agni (fire, 200 hymns), Varuna | Emergence of the Trinity: Prajapati (Creator), Vishnu (Preserver), Rudra (Destroyer) |
| Rituals & Sacrifices | Simple prayers, hymns, and personal domestic offerings of milk, ghee, and grain | Elaborate, expensive royal sacrifices (*Ashvamedha, Rajasuya, Vajapeya*) dominated by Brahmin priests |