According to police, the two women, including the kingpin, were arrested yesterday following a tip-off.
"Police got information that a prostitution racket is being run in Hari Nagar area. Acting on tip-off, four notes in the domination of Rs 500 were given to the informer through a delivery memo and he was sent to the alleged address as a decoy customer.
"Thereafter, police arrested the duo," said a police official.
Police were interrogating the accused about the whereabouts of other members involved the racket.