“…Castor (Ricinus communis L.) is an ancient crop of family Euphorbiaceae, cultivated across the world in arid and semi-arid zones (Weiss, 2000;Castor Outlook, October 2019)in almost thirty different countries. The global castor production is noted to be 15.4 lakh million tones (FAO, 2008;Yerukala et al, 2017;Shalini, 2014). The major castor seed growing countries includes India, Brazil, Philippines, China, Russia, Ethiopia, and Thailand accounting almost 88 percent of the world's production (Castor Outlook, October 2019).…”