Prithviraj Singh "Biki" Oberoi (born 1929) is the Executive Chairman of the ₹9,991 crore (US$1.5 billion) EIH Limited (formerly East India Hotels), , the flagship company of India’s The Oberoi Group, which runs a chain of luxury hotels, The Trident hotels and Oberoi Hotels & Resorts., the third largest hospitality chain in India.
In 2008, the Government of India awarded Oberoi with the Padma Vibushan, India's second-highest civilian honour, in recognition of his exceptional service to the country. Popularly known as "Biki", in 2002 he took over as the Chairman of EIH Limited with the death of Mohan Singh Oberoi, his father and the founding chairman of The Oberoi group, and remained CEO of EIH Ltd until 2013.
Oberoi was educated in St. Paul's School, Darjeeling, India, and later the United Kingdom and Switzerland. He served as a Director of Jet Airways (India) Limited since March 29, 2004. Oberoi is a graduate in Hotel Management from Lausanne, Switzerland. In 2010, he was recognised as the “Corporate Hotelier of the World” by Hotels magazine
He has a son, Vikram, CEO and Managing Director of EIH, and daughter Natasha, who is married and lives in Australia. At 85, he continues to live at the Oberoi Farms farmhouse -cum-office on the outskirts of Delhi. He has a nephew Arjun Oberoi. He currently looks after the Project Development and designated as Managing Director- Development.