NEW DELHI: Here is a fresh incentive for retirees to celebrate the end of their career with a vacation.From now on, Indian citizens aged over 60 years will be able to avail of a 50% discount on Air India’s basic fare for economy class tickets in domestic flights The Maharaja has lowered the eligibility age for the travel concession scheme — available so far to those aged 63 years and above — to 60 years to ensure more people benefit from it.To avail of the scheme, people need to produce valid ID proof, like voter ID, passport, driving licence, or a senior citizen card issued by the national carrier.