New Delhi: A man has been arrested for allegedly sexually assaulting a girl whom he had promised to help in getting a job, in south Delhi's Saket area, police said on Sunday.

The accused identified as Sajid, a resident of Jamia Nagar area, had called the girl to Saket on the promise of helping her in finding a job and later tried to assault her sexually," said a senior police officer.

The accused allegedly offered the girl a soft drink laced with some sedative and when she was in a semi-conscious state he tried to force himself upon her in his car which was parked in a parking lot of a multiplex in Saket, last night, police said.

The girl, however, was not entirely under the influence of the sedative and raised an alarm which alerted the guards there.

Later, the accused was overpowered by the guards and other people, who also beat him up and handed him over to the police.

The accused has been arrested and a case of sexual assault has been registered against him at the Saket police station.

Investigation is underway in the case, the officer added.