Signboards Chennai offers safety signs of various types viz., photo luminescent material on foam, ACP, Acrylic and Battery operated Emergency exit signs. Display of safety signs is a social and mandatory responsibility of every industry to prevent mishaps and caution people for safety at workplace. The color of the sign specifies the nature of the sign, red signs are prohibitive, blue signs are mandatory; yellow signs are warnings, and green is used for safe condition and first aid signs. Similar rules apply to the different shapes: prohibitive and obligatory signs are circular: warning signs are triangular, and oblong signs offer help and directions. All HRP signs meet these requirements concerning color and shape.