The CBI is also investigating Air India's decision to lease a large number of aircraft which it said was "without due consideration, proper route study and marketing or price strategy." Meanwhile, the question remains that even if there is a political consensus on the sale, will there be any buyer of an airline which is Rs 50,000 crore in debt? The Ministry has not revealed whether there is a chance of any foreign airline to pick up stake in Air India. Currently, according to FDI rules, a foreign airline can hold a 49 percent stake in a domestic airline. Some of the examples include Singapore Airlines-Tata Sons for Vistara and AirAsia Berhad for AirAsia India., specifications and features