NEW DELHI, Sept. 19 -- Delhi Police on Thursday arrested Samir Modi, the 55-year-old sibling of businessman Lalit Modi, after a 31-year-old woman filed a case of rape and criminal intimidation against him, senior officers said. He was produced in the Saket Court in the evening and sent to one-day police custody. He will be produced in court again on Friday.

Modi's lawyers said that the "complaint is based on concocted facts" and that the allegations were made with the motive of "extracting money" from him.

A senior officer aware of the case details said that the woman, a former colleague of the accused, approached police about a week ago, alleging rape on the pretext of marriage and promises of promoting her professionally. "She said th...