The incident occurred yesterday when Shivam, a class I student, was attacked by his father Vinod Rajbhar (35), when he demanded Rs two from him for buying a kite.
Vinod, who works as a tourist guide and lives in Ganj area with his wife Gyatri (32), daughter Komal (3) and two sons Shivam and Satyam (10), and was reportedly facing financial crisis, police said.
Irked by the demand, Vinod, who was in an inebriated condition, took Shivam to the terrace of the house, where he first gagged him and then stabbed him severely, police said.
The neighbours after hearing their cried gathered at the house and informed police after which Vinod was arrested from his house, police said.
The injured boy after getting preliminary treatment at the nearby government hospital. He was later admitted to a private hospital by his mother where his treatment was underway, they said.