The Delhi High Court has issued notice to Jet Airways on a plea seeking direction to the Civil Aviation Ministry and DGCA to ensure refunds or provide alternative travel mode for passengers who have booked tickets with the airlines. <br />''<br />''The Jet Airways had last month announced a temporary suspension of its operations after it failed to receive emergency funds from lenders. <br />''<br />''A bench, headed by Chief Justice Rajendra Menon, on Wednesday sought a response from Jet Airways and also asked the Directorate General of Civil Aviation (DGCA) to file an affidavit on the issue. <br />''<br />''The court said, it will hear the matter after summer vacation on 16 July.<br />''<br />''The court's directions came on a plea, filed by an activist, who had said that the sudden suspension of air services of Jet Airways has resulted in a major crisis for passengers who were not informed about it earlier.<br />''<br />