A techie, who was depressed after failing to clear the civil services exams, went on a stabbing spree on Tuesday injuring 24 people, before police shot him down.
The incident took place in Karimnagar town of Telangana.
According to police, 25-year-old Balvinder Singh attacked his parents with a sword following an argument at home.
Singh, who works for a software firm in Bengaluru, then stepped out to attack passers-by, leading to panic among people. Some pedestrians, two bikers and an auto-rickshaw driver were injured.
Police, who swung into action after learning about the incident, also came under attack. A constable who tried to snatch the sword from the man sustained injuries.
As the situation slipped out of control, circle inspector Vijay Sarathi opened fire to disarm the man. A critically injured Singh was taken to a hospital, where he died.
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Singh's parents and others who received grievous injuries were under treatment.
According to family members, Singh was a meritorious student since school. He stood sixth in the engineering, agriculture and medical common entrance test (EAMCET) in the district.
After engineering in electronics, he got a job in Bengaluru and was earning Rs.18 lakh a year.
Singh had a dream of passing the civil services exam. However, he failed to qualify and as a result went into depression.
The man apparently lost his mental balance and was having frequent fights with his parents.