82-year-old Kalam was admitted to the hospital after he complained of uneasiness, flu and high fever.
According to a report, doctors who treated Kalam have advised him to take complete bed rest and avoid any travel for at least ten days.
Kalam was admitted to the hospital after he complained of high fever and flu.
"Various medical investigations revealed that his vital parameters are normal. Dr. Kalam has resumed his routine activities," an official in the former President's office said.
Kalam, one of the best presidents India ever had, was rushed to the hospital by his personal staff four days before.