Section 7(2) in The Orissa Motor Vehicles (Producer of Gas) Rules, 1993
(2)If any person wishes to manufacture a producer the design of which contemplates departure from ordinary practice the employment of any new or unusual methods of construction or the use of methods of construction and processes not in conformity with these rules and specification, he shall apply to the authority stating in what respects the design departs from ordinary practice aid the modification or relaxation of the rules and specification which desires to be made with the reasons therefor.
