Swatch Bharat Abhiyan- convert present old vehicles to electric /non pollution free tech - needed.
But inaddition one thought to eradicate completely the fossil fuel powered vehicles in the next ten years which needs a huge investment in costs for projects ,and junking or decommissioning of lakhs of old vehicles if ban is brought on 15 yr old / two stroke two or three wheelers,if the automotive industry can think of ( by R&D)refitment of current good bodies of vehicles it will save a lot of problems to citizens , government and saves investments.
To put to use the existing good vehicle bodies in to use by refitment by modification is a idea to think about .
Of course the automotive engineers must certify that this will satisfy the technical safety standards of industry and its roadworthiness.
It is only a suggestion .
In the long run these can be phased out after five years .The new breed of safe electrical vehicles can be ushered in after the intervening period. more