India, April 4 -- Flight operations of Tata Group's Vistara Airlines, which has earned a reputation for its premium services and reliability in the Indian aviation sector, have of late been marred by cancellations and delays. Vistara, a joint venture between Tata Sons and Singapore Airlines, has attributed the disruptions to a shortage of flight crew. Passengers have been left stranded and inconvenienced, with some facing difficulties in rebooking their travel plans at short notice. Vistara's troubles come at a time when the aviation sector is recovering from the impact of the pandemic, with domestic travel demand showing signs of revival. The airline industry has been navigating a delicate balance between scaling up operations to meet gr...