"Let us have the data. They are saying that 1200 vehicles can be allowed. If you say that make it 2000 then there has to be some data. You have to draw the line somewhere," a vacation bench of Justices P C Pant and D Y Chandrachud said.
"Vehicular exhausts have adverse impacts on glaciers and in a way, your livelihood is also dependent on glaciers," it said and asked the parties, including Himachal Pradesh to respond to the affidavit filed by Ministry of Petroleum and Natural Gas in the case.
The National Green Tribunal has recently said that 800 petrol vehicles per day would be allowed to go to Rohtang instead of the 600 as permitted in its earlier order.
It had also allowed 400 diesel vehicles to pass through the 13,050 feet Pass. The order is being assailed by the taxi operators association on grounds including that it impacts the right to earn livelihood.
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The ministry has said that it has "no such scheme for development of CNG stations in the country and also there is no budgetary provisions for such expenditure."
"...Therefore, it was felt that re-working of the business model for providing the CNG facility at Manali- Rohtang Pass, is required to find a solution to the capital expenditure problem and to address the much wider issue of viability of CNG operation.
Earlier, the apex court had said there was nothing wrong
The Him-Aanchal Taxi Operators Union is challenging NGT's various orders restricting number of petrol and diesel vehicles to go up to Rohtang every day.
The counsel for taxi operators had said that a cap on entry of vehicles would hit them hard on account of peak tourism season.
On December 11 last year, the NGT had directed that only 500 vehicles, taxi and private cars, would be permitted to go to Rohtang Pass, after conceding the demands of the state and local residents that their revenue and livelihood was being affected.
Rohtang is a 13,050 feet high mountain pass on the eastern Pir Panjal Range of the Himalayas around 51 km from Manali and acts as the gateway to the remote district of Lahaul and Spiti from the picturesque Kullu Valley.