Understanding India's Castor Supply Chain

Castor is grown as a major industrial oilseed crop across parts of Rajasthan and Gujarat, and the seed's journey from farm to industrial buyer typically involves several steps.

Cultivation and harvest

Castor is harvested by farmers across the growing belt, generally sold on through local agricultural markets or directly to procurement partners once ready.

Procurement and inspection

Buyers or their sourcing partners inspect incoming lots for quality before purchase — checking for moisture, foreign matter and overall seed condition.

Cleaning and preparation

Depending on the buyer's requirement, seed may be cleaned before being bagged for onward supply. Some buyers request whole seed; others specify a cleaned or custom format.

Onward supply

From here, castor seed is typically supplied in bulk to oil processors, industrial manufacturers or commodity traders, who use it for oil extraction and further downstream processing.

Understanding this chain helps buyers ask better questions when sourcing — particularly around specification, lead time and how a supplier verifies quality before dispatch.