BHOPAL: Shivam Sharma, said to be a relative of mining baron Sudhir Sharma, has been arrested from Ayodhya Bypass Road, on Thursday night on charge of poisoning and raping his girlfriend and model. She had told the police that Shivam Sharma promised that he would marry her, but sexually exploited her and later refused to marry her. After the case of rape was registered on late Tuesday night, the complainant was taken to JP Hospital for medical examination. She has been shifted to a private hospital after her condition deteriorated on Thursday.