Correct option is D
As per IRC:73-1980, the reaction time (t) assumed for a driver while calculating Overtaking Sight Distance (OSD) is 2 seconds.
According to the Indian Road Congress(IRC73-1980), in the calculation of Overtaking Sight Distance (OSD), the reaction time 't' of the driver is assumed to be:
As per IRC:73-1980, the reaction time (t) assumed for a driver while calculating Overtaking Sight Distance (OSD) is 2 seconds.