1. Safdarajang's Tomb
2. Rail Museum
3. Lodhi Gardens
Champa Gali has many funky spots to photograph from graffiti and the entire vibe is awesome. Also head to Old Delhi - can capture the old world charm and many portraits!
Okhla Bird Sanctuary
Aravali Biodiversity Park
Lodhi Garden walls is the best place to get some nice photographs...
Lodhi Garden, Tughlakabad Fort, Rashtrapati Bhawan looking towards India Gate.