. . "Royal Challenge, commonly referred to by the abbreviation RC, is a brand of Indian whisky, manufactured by United Spirits Ltd (USL), a Diageo Group company. It was launched in the early 1980s. According to Binod K. Maitin, a United Breweries technician who oversees all the liquor blends for the company, Royal Challenge is a grain based whisky, blended with Scotch malts and Indian malts."@en . "Royal Challenge"@en . . .