NEW DELHI: In a major security breach, a 22-year-old man allegedly shot himself with a country-made gun at the crowded Rajiv Chowk Metro station here tonight.The person, identified as Sridesh Adhikari, a native of a village in Uttar Pradesh, was rushed RML Hospital, where he was being operated upon, officials said.The incident, which took place around 9.45 PM, raised serious concern over security in the Delhi Metro network.Both Delhi Police and CISF, which secures Metro premises, have initiated separate probe into the incident. It is being looked into how he could manage to enter the metro station with a gun, a police officer said.According to police, Sridesh boarded a train from Chandni Chowk station (on Yellow Line) and was on his way to Noida (on Blue Line).While changing train at Rajiv Chowk, he went to a secluded corner and allegedly tried to shoot himself on his head but he missed the target and the bullet grazed past his shoulder.Hearing the gun shot, CISF personnel rushed to the spot and called up the police control room.He was taken to RML Hospital. A senior official at the hospital said though Sridesh was bleeding profusely he was in senses and talking. The bullet hit his left shoulder and he was being operated upon, the hospital official said.A case under relevant sections of IPC and the Arms Act has been registered and investigation in underway, the police officer said, adding that Sridesh will be interrogated once doctors declare him fit.