most important destination to visit is the national capital, New Delhi. The historic bulk of the city however lies in Old Delhi or the city's old quarters dating back to the Mughal-era. Red Fort and Jama Masjid are the most important sites here. In the newer section of the city, the Rashtrapati Bhavan and the nearby India Gate are the must-visit places. The Qutub Minar is also an important historical site. One can shop and eat in places like Connaught Palace, Karol Bagh and Okhla. Have a nice trip.