A 35-year-old man was booked by the police here on Thursday for the alleged sexual assault of a 14-year-old girl at Kabadipalem here. The girl’s mother complained to the II Town police after she was found to be pregnant. Circle Inspector V.Suryanarayana said; “we have registered a case against the man, B.Srinivasa Rao, brother-in-law of the girl, under Section 4 of the Protection of Children from Sexual Offences Act (2012) and launched a probe.”