Don't shop, adopt! Check out Friendicoes for the same.
There are plenty of pet shops which you'll find in Delhi. You can also do this process online. Some sites are:
Doodle over poodle - You can speak to Dhruv there. Very genuine!
Check out tedthestoner on instagram
Doggy world sec 8 rohini delhi
It's always better to adopt. You can check out various groups on Facebook for the swne
In Meerut there is a place where all the police retired dogs have shelter, you can go over there and adopt any dog just free of cost
You can contact a guy by the name of Mayank Kennel, he provides show breeds, good quality pups.
Jagpal kennel , kidwai Nagar , New Delhi