Goa Police have arrested Samajwadi Party legislator Mahendra Singh after finding him in a dance bar here during a raid.
Police said Singh, a four-time MLA from Uttar Pradesh's Sitapur constituency, was booked under the Anti-Prostitution Act.
Six girls belonging to Punjab, Delhi, Maharashtra, Uttar Pradesh and Chhattisgarh were also rescued during the raid.
Two others from Uttar Pradesh, Ajay Prakash Singh and Dharmendra Prasad, were also arrested during the raid along with two other people from Nepal and the local who was running the dance bar.
Singh is the son-in-law of senior Samajwadi Party leader Bhagwati Singh, who is considered close to party chief Mulayam Singh Yadav.
Singh is a builder with real estate interests in Lucknow and Ghaziabad.
The police said they have already informed Uttar Pradesh Assembly speaker Mata Prasad Pandey about Singh's arrest as required by law.