Bhatia Optics is a licensed retailer of branded sunglasses and spectacles, so you can find frames from brands like Burberry, Prada, Versace and Calvin Klein. They also have a few local brands as well, so you don't have to worry about blowing the cap off your budget and it makes affordable shopping in Shalimar Bagh much more convenient.
Their frames are priced at INR 650 and above.