Section 177(b) in The Haryana Motor Vehicles Rules, 1993
(b)when two motor vehicles approach each other in opposite direction at a point where they cannot meet without danger of collusion, the vehicle proceeding down hill shall give way to the vehicle proceeding uphill and when such meeting takes place in a dip or on a level stretch of road, the vehicle on the inside of road, that is, the side from which the hill side sloped upwards, shall give way;