​DBW 303, also known as Karan Vaishnavi, is a high-yielding, biofortified wheat variety developed by the ICAR-Indian Institute of Wheat and Barley Research (IIWBR), Karnal. Notified in 2021, it is tailored for early-sown, irrigated conditions in the North Western Plains Zone of India, encompassing regions such as Punjab, Haryana, Delhi, parts of Rajasthan, Western Uttar Pradesh, Jammu and Kashmir, Himachal Pradesh, and Uttarakhand's terai region