Day 1
Dilli aaye aur India Gate Nahi gye to Kya Dekha..
Go and Roam around India Gate in evening. You also visit Rashtrapati Bhawan and CP which you can reach by walk.
Day 3
You must watch and heard area name Champa Gali and latest in Movie Love Aj Kal. Here you will find different type of cuisine and ambience full of music. You must visit here in evening.
Day 4
Yaha jao khud explore kro because andar ki duniya hi kuch aur hai yaha ! Can't describe in words