Ganesh allegedly lifted the bag from the X-ray machine around 7 PM yesterday at the Karol Bagh metro station and tried to run away with it, a senior police officer said.
He was caught by CISF security personnel who handed him over to police.
The bag belonged to Gulshan, a resident of Adadpur, who said it contained jewellery worth Rs 1.2 lakh. Gulshan and Ganesh were taken to police station.
Ganesh in his statement said it was a misunderstanding. No case was registered, the officer said.