About twenty of these buildings have about 100 brothels on the first floor that open at night after the shops at ground level close.

A bastion is an angular structure projecting outward from the curtain wall of an artillery fortification.

One such burj or bastion was named after a British officer of East India Company.

G.B Road has one of the few red light areas in India apart from Kamathipura (Mumbai), Sonagachi (Kolkata) and Chaturbhuj Sthan (Muzaffarpur).

The segment of the road starting from the Ajmeri Gate in the south until the small intersection with a street leading up to Farash Khana in the north has shops on the ground floor and kothas or brothels on the first and second floors.