While the base fare will be waived off under the "RedPass" offer, airport fees, charges and taxes would be borne by the personnel.
The engine of the aircraft is being examined for technical snags, if any, following which it will depart for Mumbai, said an official at the Birsa Munda Airport
Besides these base free passes, they would also be given special privileges like priority boarding at the airport.
Airfares for initial few days in June on busy routes like Delhi-Mumbai and others have gone up expecting huge demand.
According to IndiGo, its discounted offer is valid for travel between March 1 and September 30, though the discount cannot be clubbed with any other offer, scheme or promotion.
CEO Tony Fernandes and other managers of Air Asia are also being investigated by CBI on charges of criminal conspiracy under the Prevention of Corruption Act.
At the time the case was registered, AirAsia had only 18 aircraft.
Officials said while Fernandes has been summoned on January 20, few others have also been asked to depose for questioning in the following days.
CBI books AirAsia Group CEO Tony Fernandes, others for violating norms to get international flying licenses
Air Asia Group CEO Tony Fernandes allegedly approached government servants for clearances, removal of existing 5/20 rule of aviation and change in regulatory policies, the agency has alleged.