Lockdown is over , but pandemic hasn’t :( , but you can try these cafes they are taking all the precautions: Cafe Wink , Salt Cafe , Ama Cafe , Romeo Lane , Boa Village.
CP, Lodhi Garden, India Gate, etc. There are much more than this.
Straight to bigg chill cafe for pasta and angels in my kitchen for pastries
You can try beautiful cafes like Diggin , Rose Cafe . They’ve perfect atmosphere with delicious food.
Exploring the streets of Connaught Place and Chandni Chowk would be a great thing.