The charge sheet was filed by CBI Thiruvananthapuram at the Chief Judicial Magistrate court here.
Promising a cleaning job in Dubai and a salary of Rs 25,000, the woman, Mubeena, hailing from Chirayankeezh in Thiruvananthapuram, was sent to the Gulf on June 11, 2012 on a fake passport of a woman from Kottayam.
However, she was taken to Muscat and forced into prostitution.
The seven accused are Shanta (48), who recruited Mubeena; Lissie Sojan (42), brothel owner in Dubai; Sethulal alias Basheer (40); Shaji (40), Varghese Raphael, Immigration wing Sub Inspector Raju Mathew, and Prashant Kumar, Civil Police officer.
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CBI, which took over the investigation of the case last year, is also probing three other human trafficking cases.
CBI sources at Thiruvananthapuram told PTI that there was need to collect more details from UAE as the case has international ramifications.
Human trafficking at Thiruvananthapuram airport had come to light in February 2005, when two foreign nationals-- Iranian and Afghan-- were nabbed at Doha and were found travelling using fake foreign passports.