Chandigarh, April 1 -- Police on Tuesday claimed to have arrested a 26-year-old repeat offender within 48 hours of a knifepoint robbery in Ram Darbar. The accused, Deepak alias Lalla, had robbed a vegetable vendor of his silver chain, some cash and documents, including Aadhaar card. Cops have recovered the stolen Aadhaar card, the motorcycle used in the crime, and a kamanidar knife from the accused. Complainant Mahendra Raj, 38, a vegetable vendor, had told police that on March 29, around 11.15 am, he was selling vegetables when a youth wearing a helmet approached him, threatened him with a knife and fled with his valuables. Police eventually zeroed in on the accused, who, they said, has at least four previous cases, including robbery and murder, registered against him. He has been sent to one-day police custody for furtherquestioning....