The Japanese Park in Rohini is a great option!
Hauz khaas, lodhi garden, Humayun's tomb, saket, purana qila, Safdarjung fort, sarojani nagar,
Pusa road karol bagh... Indian agricultural research institute . Truat you won't regret getting there
Deer park hauz khas, Delhi archeological park, rose garden, lodhi garden
Lodhi garden, humayun's tomb, deer park and garden of five senses.
Lodhi garden, garden of five senses, deer park, Sanjay van, Okhla bird cantury, aravali bio diversity
Lodhi Garden, India Gate, Humayuns Tomb, Lotus Temple