Section 106(3) in The Chhattisgarh Motor Vehicles Rules, 1994
(3)Every taxi-meter shall be fitted with an indicator or handle in the form of a flag which shall be inscribed with the words "For Hire". The taxi-meter shall be so fixed that, when the indicator is vertical, the taxi-meter shall be out of action. Such indicator shall be so placed as to be clearly visible to any person outside of and in front of the vehicle and to the hirer when inside.