THIRUVANANTHAPURAM: A man who exposed his genitals to a young doctor in a KSRTC bus was arrested here. The arrested has been Selva (25), a native of Madurai, Tamil Nadu. Selva is working in a vegetarian hotel near Pattom LIC. The incident happened at 8.15 pm. The 26-year-old woman had boarded the bus from Pattom Marapalam to Thampanoor railway station. Meanwhile, the girl noticed that the hand of the person sitting on the window side was moving. The police said that when the woman turned away after realizing that he was engaged in a sexual act. After this, the accused touched her knee and continued the sexual act. The woman was on her way to the railway station to return to her home in Varkala. The police recorded the statement of the girl. After the medical examination, the accused was arrested.