Try Chandni Chowk there are a number of shops where you'll find variety and price
1.Heena collection at karol bagh
2.Shringar at chandni chowk
3,Simran, kashish, drishti, chunmun,malhotra sarees and hemant at Lajpat nagar
Keshav fashions in chandni chowk. They have really good collection and i personally had a very good experience with them.
Asiana couture is amazing
LAJPAT AND CHANDINI CHOWK