The accused, Anjelose, was arrested yesterday, Deputy Superintendent of Police P V Baby said.
The tourist along with another woman was on a boat ride on Monday when she enquired if they could be taken to a massage parlour.
The accused volunteered, saying he was a certified masseur following which the woman allowed him to massage her, police said.
However, he allegedly tried to molest the tourist following which she filed a police complaint.
Anjelose was produced before a magistrate court today which remanded him to judicial custody, Baby said.
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