Rasi Seeds develops, produces and sells hybrid seed for field crops. The company says it was founded in 1973 in Attur, Tamil Nadu, by its chairman Dr M. Ramasami, and that its portfolio covers cotton, maize, paddy, mustard, wheat, millet and forage crops. Its forage seed is marketed under the SIRA Seeds brand, which it says was formed in 2017.

The company says it works with more than 28,000 contract producer farmers on over 45,000 acres, runs a NABL-accredited research laboratory in Attur and sells through more than 40,000 points of sale. It describes itself as the largest cotton seed brand in India. It lists a corporate office in Coimbatore, an admin office in Attur and offices in New Delhi and Hyderabad.