Daniel N. Arshack, Ms. Khobragade’s lawyer in New York, agreed that once negotiations with prosecutors broke down last weekend, “this week turned into a focus on diplomatic solutions.” Mr. Arshack said that his client’s husband, a college professor, and two young daughters, ages 4 and 7, who are all American citizens, had remained in New York.

The domestic worker, Sangeeta Richard, told prosecutors that she was forced to work 94 to 109 hours a week, with limited breaks for calls and meals, according to an indictment handed up on Thursday in Federal District Court in Manhattan. Last summer, it said, Ms. Richard told Ms. Khobragade that she was unhappy with the work conditions and wanted to return home, but her employer refused the request and would not return her passport.

Ms. Khobragade was arrested Dec. 12 when she was dropping off her daughters at school, and charged with misrepresenting Ms. Richard’s pay to obtain a work visa for a housekeeper. Indian newspapers reported that she was strip-searched, something Indians found especially offensive, and then kept in a police holding pen with drug addicts before being released on bond. India responded with a raft of retaliatory steps, including the removal of security barriers around the embassy in New Delhi, and the case was the lead story in the Indian news media for weeks.

On Wednesday, India granted Ms. Khobragade the full immunity and privileges of a diplomat, a set of rights not accorded those posted in consulates, as she was at the time of the arrest. Though the United States appealed to India to waive that immunity, India refused, and transferred her to a new position at the Foreign Ministry in Delhi. The State Department then told her to leave the United States, which she did Thursday night.

Ms. Khobragade’s father, Uttam Khobragade, said his daughter was under strict orders not to give interviews, but told an anecdote suggesting that she left with bitter feelings — toward Ms. Richard, Ms. Richard’s husband and the United States government.

“Devyani was seen off at the airport by an official of the State Department,” he told reporters Friday morning. “He told Devyani that, ‘Madam, I am sorry, and it was wrong.’ She told the official, ‘You have lost a good friend. It is unfortunate. In return, you got a maid and a drunken driver. They are in, and we are out.' ”

Mr. Khobragade, a retired bureaucrat who has led small protests in recent days at the American Consulate in Mumbai, said his daughter is seen so positively in India that political parties have approached both her and him to run in parliamentary elections, and that he was inclined to do so.