The youths Dinesh, Raju, Lakhan and Manjeet, along with key accused Manoj, were produced before the local court today which sent them to two-day police custody, DCP (Crime) Maheshwer Dayal said.
Manoj was earlier arrested on the night of the incident, he added.
A group of seven persons had brazenly opened fire in the ICU of a private hospital here, injuring a father-son duo in the incident.
While Joginder succumbed to his injuries yesterday, his father, who is undergoing treatment at a government hospital in Delhi, remains in a critical condition.
