Five girls and three men, including the parlour's manager Mukesh, were arrested from the mall yesterday, they said.
"Acting on a tip-off, a police official was sent to the parlour in civilian clothes to pose as a client. After a deal was fixed, a police team raided the parlour and arrested the accused," a police official said.
A case has been registered against the arrested persons, police said, adding, further investigations are on.
A number of injections, meant for government supply, were also recovered from the premises.