The earliest well-defined Harappan ceramic tradition at Harappa (the Ravi Phase) dates to about 3300–2800 BCE, marking early craft specialization and providing a baseline for later Indus ceramic standardization and motifs.
Hakra Ware (often discussed alongside the Ravi Phase) is dated roughly to 3300–2800 BCE and represents a widespread early ceramic horizon in parts of the greater Indus region, demonstrating early regional variability in production methods and surface treatments.
During the Kot Diji Phase (commonly placed around 2800–2600 BCE), pottery traditions show increasingly standardized forms and decorations (including black-painted designs on red/buff fabrics), reflecting expanding settlements and intensifying craft production before full urban integration.
In the Ghaggar-Hakra/Sarasvati-related region, the Sothi–Siswal ceramic tradition is described as a pre-/early Harappan culture with wheel-made red pottery often painted, illustrating regional ceramic identities that overlapped with broader early Harappan developments.
The start of the Mature Harappan (Integration Era) (often dated c. 2600 BCE) coincides with widely shared material standards across Indus cities, including highly accomplished ceramic forms and surface treatments used in domestic and ritual contexts.
Ceramic dish-containers on stands (often interpreted as offering stands/censers) are documented from major Mature Harappan sites such as Harappa and Mohenjo-daro, showing high levels of finishing, burnishing, and painted decoration for ritualized use.
Mature Harappan pottery is widely characterized as wheel-made, well-fired, and frequently treated with slip; finer wares are often decorated with black-painted motifs on red surfaces, indicating both mass production and aesthetic conventions across cities and towns.
Excavations at Chanhu-daro yielded exceptionally large and richly painted terracotta jars (commonly dated within c. 2600–1900 BCE), demonstrating the scale of vessel production and the sophistication of black-on-red painted ceramic traditions in some Indus settlements.
Studies of northwest Indian Indus settlements highlight regionally distinct ceramic preferences, including bichrome schemes and pre-firing incised decoration (e.g., traditions discussed with reference to Kalibangan-related fabrics), showing that local ceramic identities persisted alongside broader “Classic Harappan” styles.
After about 1900 BCE, the Indus tradition enters the Late Harappan (Localization) Era, in which many regions show reduced urban integration and increasing regional differentiation in material culture—including pottery styles—compared with Mature Harappan standardization.
In the Late Harappan period, the Cemetery H culture (c. 1900–1300 BCE) is associated with Harappa and is noted for painted pottery linked to urn burials/cremation practices, reflecting major shifts in mortuary behavior and regional cultural expression within the broader Indus tradition.
By about 1300 BCE, Late Harappan regional traditions (including Cemetery H in parts of Punjab and neighboring areas) are generally considered to have ended or transformed into subsequent cultural horizons, marking the close of the Indus ceramic sequence within the c. 3300–1300 BCE frame.
Michael CarricoIndus Pottery and Ceramic Traditions (c. 3300–1300 BCE)