You can ask a local rickshaw or tuk-tuk driver to take you there and ask which buildings have the most beautiful girls inside.
In India, prostitution (the exchange of sexual services for money) is legal, but a number of related activities, including soliciting in a public place, kerb crawling, owning or managing a brothel, pimping and pandering, are crimes.
And apart from that there is a regular crowd consisting mostly of the patent clients. Road is very dirty for western standards and not the most hygienic area on Earth.
They can be often seen if an individual passes by the GB Road in Delhi. There are thousands of poor girls living and working in these buildings along the road.
The GB Road in Delhi is the most well known red light district where one can come across various sex workers offering their services in return of money.
It has been estimated that there are about 1000 sex workers working in the brothels situated in GB Road.