A native of Amritsar, Ritu attended Lady Irwin College, (University of Delhi) in New Delhi, graduating in 1964, and Briarcliff College, New York, USA in 1966
Kumar has been designing the wardrobes comprising swimwear, eveningwear, traditional Indian wear, casual wear, formal evening gowns; of the three winning Miss Indias, for their participation in International Beauty Pageants (Miss Universe, Miss World and Miss Asia Pacific respectively ). Ritu’s outfits have been patronized by style icons such as late Princess Diana and Jemima Khan..
Kumar co-authored a book “Costumes and Textiles of Royal India” published by Christies in 1999, which chronicles the history of textiles and art design in India.
Kumar has opened a new flagship store in North America in The Mall at Oak Tree in Edison, New Jersey