THIRUVANANTHAPURAM: The Motor Vehicles Department (MVD) will conduct a special inspection called 'Sutharyam' from today to June 14 to take strict action against vehicles which use sun film or cooling film. The Transport Commissioner directed the officials to take strict action against vehicles using sun film and cooling film. Modifications are not allowed on safety glasses of vehicles. The Central Motor Vehicle Act stipulates that safety glasses at the front and rear must be at least 70 per cent transparent while that on the sides must be at least 50 per cent transparent.