Jet Airways, in a filing to the stock exchange late on Tuesday, did not say whether the agreement was a formal order or a non-binding memorandum of understanding.
Domestic Indian passenger traffic increased by 17.9% in January from a year earlier, marking the 41st consecutive month of double-digit growth.
The promo offers 40kg baggage allowance, with one-way fare from QR459 onwards and a return fare from QR949 onwards.
Indian carrier Jet Airways said on Wednesday it had suspended a foreign pilot from flying duty over allegations that he assaulted a woman and hurled racist abuse at another passenger on a domestic flight.
Jet Airways is set to further expand its operations to India from Qatar with the launch of an additional daily service between Doha and Delhi from July 1.