The correct answer is option 3 - Edwin Lutyens. Rashtrapati Bhawan, also known as the President`s House or the Presidential Palace, was designed by the British architect Edwin Lutyens. Lutyens was a prominent architect who designed many significant buildings in India during the British colonial period. He was selected to design the Viceroy`s House, which is now known as Rashtrapati Bhawan, in the early 20th century. Lutyens` design for Rashtrapati Bhawan is considered a masterpiece of architecture, blending elements of Indian and Western architectural styles. The building is a symbol of India`s rich history and serves as the official residence of the President of India.