Section 137 in The Haryana Motor Vehicles Rules, 1993
137. Gangway.
[Section 111(2)(a)]. - (1) In every public service vehicle, the entrance to which from the front or the near here shall be a gangway along the vehicle and, -(a)Where seats are placed along the sides of the vehicle there shall be gangway a clear space of not less than 60 centimetres between fronts of the seats; and(b)Where seats are placed across the vehicle there shall be a gangway a clear space of not less than 300 millimetres upto a height of 760 millimetres and not less than 380 millimetres above 760 millimetres from the floor level and where standing passengers are allowed, there shall be as gangway, a clear space of not less than 500 millimetres in width upto a height of 760 millimetres from the floor level.(2)Where the vehicle has seats across the full width of the body with separate doors to each seat, a gangway from front to rear of the vehicle shall not be required.
