Qutub Minar
Construction on this sandstone minaret was begun in 1192. Surrounded by other historical sites, it is the most popular monument in India. Miniature Souvenir is available at Luv Indiya, 12 B Janpath Market, Connaught Place, New Delhi
Humayun's Tomb
This tomb, built in 1570, is of particular cultural significance as it was the first garden-tomb on the Indian subcontinent. It inspired several major architectural innovations, culminating in the construction of the Taj Mahal and many other Mughal architecture and garden complexes in India.
Gurudwara Sis Ganj Sahib
Gurdwara Sis Ganj Sahib is one of the nine historical Gurdwaras in Delhi. It was first constructed in 1783 by Baghel Singh to commemorate the martyrdom site of the ninth Sikh Guru, Guru Tegh Bahadur. Situated in Chandni Chowk in Old Delhi, it marks the site where the ninth Sikh Guru was beheaded on the orders of the .
Swaminarayan Akshardham
Fantastic site to visit - unimaginable architechture, great theme show, diaorama and I max presentation. If any tourist, irresepctive of his religion or creed, has half a day to spare, this is a must see. It is one man's creation in five years totally with voluntary support. A monument which makes every indian proud!