Police arrested a 65-year-old man on Saturday night for allegedly raping his domestic help in Boalkhali upazila of Chattogram .   The arrestee was identified as Hazi Fazal Karim, a resident of Charkhijirpur Satghariapara in Boalkhali.   After getting complaints from the victim, police conducted a drive and arrested the man from his residence, said Abdul Karim, officer-in-charge of Boalkhali Police Station.   According to the case statement, the man raped his domestic help on October 30.   Police sent the victim to a local hospital for medical test.