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Tilak Nagar is great option. I've been there, it's a bit away from the main market.
Nirmals and Dreams at Kirti Nagar. You can try Jail road also near tilka nagar. Lots of shops and variety.
Cloth market chandni chowk
Harisons in Shalimar Bagh & Lajpat Nagar
Cloth Market in Chandni Chowk