You should definitely try Hamoni Cafe by the Greens if you are looking to have breakfast along with some nature and good vibes.
You can also check jain chawal vala in CP
Sarvana bhawan, American dinner,qahwa cafe
Lodhi garden india gate for sunsrises
Lotan chole kulche or ama cafe
Raisina Point, Rajpath.
Triveni Terrace Cafe.
Tughlaqbad fort or Sanjay van. Ama,andhra bhavan,Baljeet's
All American dinner, amour bistro for breakfast..from lodhi garden u can hv a view of sunrise n kamla nehru ridge for dat mesmerising sunrise view along wid sum typical indian breakfast @ chache di hatti, bille di hatti, gopal puri wala in kamla nagar, near north campus.