Order it online from Amazon
Check Chandni chowk and lajpat Nagar
Online- amazon, flipcart, Myntra
Offline- Chandni chowk, sadar bazar, karol bagh
Lajpat Nagar ..they’re many shops you’ll get it there .
Lajpat Nagar Central market has some good shops but you'll have to search because you never know what stirkes the eye
Harrisons , shalimar bagh