Kothari Fermentation & Biochem Ltd. engages in the manufacturing of yeast products. It brand names include Sunrise, KF, and Four Seasons. The firm produces various types of yeasts, such as baker's, nutritional, feed, seasoning, distiller, and bio-ethanol, which are used in end-use applications in the food, distillery, feed, pharmaceuticals, and other biotechnology sectors. The company was founded by Moti Lal Kothari on December 26, 1990 and is headquartered in New Delhi, India.