<Ul> <Li> Presidential amenities </Li> <Li> <P> Rashtrapati Bhavan, the official residence of the president, located at New Delhi </P> </Li> <Li> <P> Rashtrapati Nilayam is the official retreat of the president located in Hyderabad . </P> </Li> <Li> <P> The President's Bodyguards is an elite household cavalry regiment of the Indian Army . </P> </Li> <Li> <P> Air India One is the call sign of any aircraft carrying the president . The aircraft are operated as VIP flights by the Indian Air Force . </P> </Li> <Li> <P> A chopper of IAF's special VIP fleet meant for carrying the President of India </P> </Li> </Ul> <Li> <P> Rashtrapati Bhavan, the official residence of the president, located at New Delhi </P> </Li> <P> Rashtrapati Bhavan, the official residence of the president, located at New Delhi </P> <Li> <P> Rashtrapati Nilayam is the official retreat of the president located in Hyderabad . </P> </Li>

Oath or affirmation by the president is mentioned under which article of the indian constitution