The German racer, who won back to back races in the Diriyah, lost control of the car on turn 18 and crashed into the wall damaging both front and rear of the car.
The medical team declared that he suffered no major physical injuries except dislocated right shoulder and head trauma, but he was kept in a medically-induced coma for observation
The 37-year-old Santosh, who was representing the Hero MotoSports in one of the world's biggest rallies, crashed on Wednesday and is being kept under a 24-hour observation.
