Jigyasa, an Assistant Sub-Inspector (ASI) with Central Industrial Security Force (CISF), was attacked by a snatcher at around 1540 hours today when she reached the railway station, police said.
She is posted in Delhi Metro security and was not in uniform as she was proceeding on leave.
The CISF official, who was attacked on platform number 16, chased the bag snatcher, grabbed him and called the Government Railway Police (GRP).
She later handed over the the culprit to the cops.