Best places to visit in Delhi for photography
Bahai's House of Worship.
Agrasen Ki Baoli.
Hauz khas Fort, Sunder Nursery, Tughlakabad fort
Old Fort, Anywhere in Lutyen's Delhi, In an empty stadium like JLN or Indira Gandhi stadium, lodhi art district, khan market, Mehrauli archaeological park.
The forts and the monuments.
Lodhi art district, Humayun's tomb
Champa gali, qutub minar, grafitti art places(including some metro stations)
Historical monuments are abundant in Delhi and can be good choices