Alterations - To do or not to do

Section 52 of the Motor vehicles Act deals with alteration.

Transport Commissioner Chennai has issued two circulars regarding alteration. Circular no. 25/2001 and also 56/2003.

The circulars deal with the alterations that can be made and not to be approved.

Section 52 is amended by Act no.27/2000.This Act empowers central Govt to prescribe specifications and considers approval of retrofitment and other related matters like conversion kits. It empowers the alteration of engine of same make and type.

Circular no. 25/2001 clearly prescribes the alterations that can be permitted.
To Do
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Conversion of town bus to mofussil bus and non transport to transport
In goods vehicles type of body alterations from open to platform, closed to tanker, are permitted.

Replacement of chasis is permitted if the same is supplied by the same manufacturer.

Petrol engine to LPG,solar power, battery operated, fitment of conversion kit,
Alteration in seating capacity, Horse power, c.c., ulw, color etc.are permitted.

It does not permit the following
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from passenger vehicle to goods vehicle,
wheelbase alteration, RLW, no of cylinders etc

Also circular no. 56/2003 says that conversion of petrol engine to diesel engine is not permitted.