"The condition of the CM and others is stable and improving. We will issue another medical bulletin later in the day," Apollo Hospital Superintendent P D Sinha told PTI here.
"The doctors are following trauma protocol," he said.
CT scan reports of all patients were found normal.
44-year-old Munda suffered multiple injuries, including fracture in his right-ankle and scratches on his left hand when the helicopter carrying him, his wife and four others crash-landed at the Birsa Munda Airport here yesterday.
The condition of his wife, Meera and two pilots, J P S Kaushik and Vipul Kumar Singh, who suffered fractures was also stable, he added.
Munda's security officer Manoj Singh suffered injury in Lumbar Vertebrae, but is normal now, he said.