Else Rajouri garden is a nice option too
Lajpat Nagar has a good collection
If you have time and patience then Chandni Chowk is obviously the best option
Myntra has some amazing collection
Chandani chowk or search at Nykaa fashion
Aacho, Indya, Anouk and Libas they have really good collection
Chandni Chowk, you will get endless variety.