"If 'no' is the categorical answer, we will pass an order against those responsible for this," a bench headed by Chief Justice T S Thakur said.
The bench also directed the competent authorities, including the Civil Aviation Ministry, to place the copy of direction issued by them before the bench takes up the matter for next hearing on May 4.
Under the government's Route Dispersal Guidelines, Category-I routes are the busy routes connecting major metros like Delhi, Mumbai, Kolkata, Hyderabad, Bangalore and Chennai, while Category-II are those in remote and difficult parts of the country, including Jammu and Kashmir, Northeast and the island territories.
Counsel representing various competent authorities like the Ministry and aviation regulator DGCA said all of them favoured launching of these services.
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The apex court had last week taken exception to the lack of air connectivity to places in the North East and Shimla's Jubbarhatti airport and rapped the government and Air India for "promoting interests" of private operators.
The bench, which had earlier sought a status report from
Air India on feasibility of air service connecting Shimla with Chandigarh and Delhi, was unimpressed and said, "we do not want this dilly-dallying. We thought you will do something, but things remained as they were."
Additional Solicitor General P S Patwalia, appearing for the state-run carrier, sought time and said Air India would come out with a response. The court then posted the matter for further hearing for today.
It had however ordered maintenance of status quo on the December 7, 2015 direction passed by the Himachal Pradesh High Court asking Air India, Airports Authority of India and others concerned tostart scheduledflightsona trialbasis from Jubbarhatti airport, 22 km from Shimla.
Solicitor General Ranjit Kumar, who had appeared for Air India CMD, submitted that the airline is examining the suggestions to at least connect Shimla and Chandigarh with 40- seater aircraft as the runway at the Airport was very small.
He had also told the bench that two tourist towns -- Kullu and Dharamsala -- were already connected by air.
Air India had challenged the Himachal Pradesh High Court ordertostart scheduledflightsontrialbasis. It had said that other objections andviability gap funding, if any, will be sorted out later.
The high court had passed the order on a petition by a local resident on the possibility of resuming Delhi-Shimla flight service from Jubbar-Hatti airport, which remains non-operational for past three year.