273. Pre-historical Sites & Ancient Rajasthan

Pre-history in Rajasthan begins before inscriptions, coins, or dynastic chronicles, so archaeologists reconstruct it from tools, habitation deposits, bones, ash lenses, pottery, and landscape context. In this topic, ancient Rajasthan starts only when epigraphic and early-historic evidence becomes visible and runs forward to about 600 CE. That distinction matters because the same district may preserve a Stone Age camp, a Chalcolithic village, and a later inscriptional site, but each belongs to a different evidentiary world.

The first chronological frame is Lower / Middle / Upper Palaeolithic, Mesolithic, Neolithic, Chalcolithic. In broad Indian usage, Lower Palaeolithic spans roughly c. 2.5 million-100,000 BP, Middle Palaeolithic c. 100,000-40,000 BP, Upper Palaeolithic c. 40,000-10,000 BP, Mesolithic c. 10,000-5000 BCE, Neolithic c. 7000-3000 BCE, and Chalcolithic in Rajasthan c. 3500-1500 BCE. The sequence is technological as well as chronological: large core and flake tools dominate the earlier phases, microliths mark many Mesolithic horizons, polished stone and farming become clearer in Neolithic settings, and copper appears alongside stone in Chalcolithic communities.

Rajasthan's environmental frame is equally important. The Aravalli range, Banas drainage, Chambal valley created three major habitat belts for early settlement. The Aravalli range, among the oldest fold mountains in India, supplied quartzite, copper-bearing zones, upland shelters, and passes linking eastern and western Rajasthan. The Banas drainage across Mewar and adjoining plains offered water, alluvium, grazing margins, and routes that later supported sites such as Bagor and Ahar. The Chambal valley across Hadoti combined river terraces, ravines, and plateau edges that could sustain repeated occupation. Farther west, the Thar Desert reduced the density of long-term settlement away from dependable water sources.

This triad also explains why Rajasthan's prehistoric map is uneven rather than random. Quarryable stone is denser near Aravalli exposures, long valley movement is easier along the Banas system, and the Chambal side preserves terrace contexts useful for repeated occupation and later discovery. A semi-arid climate further improves survival of ash lenses, animal bone, copper objects, and compact habitation debris. When later sections move to named sites, they are filling in this already defined ecological canvas rather than introducing unrelated localities.

Archaeological terminology sharpens this landscape reading. A palaeolith is a stone tool struck from a core; a microlith is a small blade or flake, often hafted into wood or bone; Chalcolithic literally marks a copper-stone overlap; protohistoric communities may use a script that survives but remains unread for secure historical narration. To place such material in time, archaeologists rely on Radiocarbon (carbon-14) dating, stratigraphy, typology, and, for sediments, OSL where suitable. Stratigraphy establishes sequence by superimposed layers, typology compares form and manufacturing style, and radiocarbon dates organic remains rather than stone itself.

The institutional history of Rajasthan archaeology also begins early. The Archaeological Survey of India (ASI), 1861, Alexander Cunningham is the standard founding fact for organized survey in India. Cunningham's early survey framework was later followed by major twentieth-century field campaigns. B.B. Lal's work at Kalibangan between 1960 and 1969 pushed Rajasthan into the center of Harappan and protohistoric debate. H.D. Sankalia drew attention to Ahar and Bagor in mid-twentieth-century research, and V.N. Misra's 1973 study of Bagor deepened the Mesolithic profile of the Banas basin. In the present state system, the Department of Archaeology and Museums, Rajasthan supplements central institutions through museums, site management, publications, and state-level archaeological oversight, while IGNCA's Rajasthan archaeological-sites portal documents districts such as Ajmer, Pushkar, Bhilwara, and Udaipur.

This section therefore provides the map on which the later site chapters sit. Period labels tell us what kind of material horizon we are seeing, while the Aravalli-Banas-Chambal frame explains why those horizons cluster where they do. Rajasthan preserves this sequence especially well because semi-arid conditions, ash deposits, faunal remains, copper artefacts, and settlement debris often survive more clearly than in wetter zones.