"The lack of clarity in the policy and such stringent measures could result in uncertainty that would impact on the image of the country as a preferred investment destination besides impacting a large number of entrepreneurs who have entered the travel industry," the industry chamber stated.
The Delhi government banned plying of diesel-run taxis on the city roads after the Supreme Court last week refused to extend the April 30 deadline fixed for conversion of diesel cabs into less-polluting CNG mode.
It noted that the experience worldwide is that the stand alone mandatory policies or vehicle replacement programmes are not very common and without additional incentives (fiscal or otherwise), these measures may become unpopular.
"The need of the hour is vehicle replacement programmes supported by some form of policy incentives," Ficci said.