There are an estimated 11,000 prostitutes in Kolkata, India. The area is considered to be one of the oldest red-light districts in Asia.
Across India, there are up to 3 million prostitutes, with nearly half of them being minors.
In the city of Kolkata, the price to have sex with a virgin is $1,000, according to anti-human trafficking organizations. For a 15 minute sessions with an adult, the price can be as little as $1.
Source: Barbara Borst, “Indian Women Seek Exit From Prostitution,” Huffington Post, January 31, 2013.