(1) The highway authority may, with the previous approval Prescription

of the State Government, detern.ne a building line and a control of building line in respect of any highway or part of a highway in its charge lines. along one or both sides of the highway.

1. (2) The distance between the middle of a highway and the building Jine or that between the building line and the contro] line, which shall be fixed with due regard to the requirements of safety and convenience for traffic and of public health welfare, may vary in different portions of the highway according to local conditions.
2. (3) When a highway avthority proposes to determine a building and a control line in respect cf a highway, the same procedure shall as far as applicable ie foi'owed as prescribed under sub-section
3. (3) to (7) of section 11 fcr the prescription of standard width,
4. (4) The building and control lines as finally determined shall be demajcated on the ground by distinctive stones or other suitable marks which may be painted with different colours and serially numbered. .