The tourist attractions of Delhi including the Old Delhi including Jama Masjid- one of the largest Indian mosques; the World Heritage Site of Red Fort or Lal Quila - the royal residence of the Mughals till 1857 and then finally the streets of Chandni Chowk.
Lastly, visit the astronomical observatory of Jantar Mantar, which is a World heritage site.
On the way, make a halt at the UNESCO World Heritage Site of Fatehpur Sikri.
Indulge in the activities of your interest.
Taj Mahal is a marble mausoleum that was built by Mughal Emperor Shah Jahan in the memory of his beloved wife Mumtaz Mahal.
The last visit of the day is to the superb Idmat-Ud-Dauhla's tomb, also known as the 'Baby Taj' or the 'Jewel Box'.