Dhaka, April 25 -- Singapore Airlines (SIA) is significantly increasing its operational involvement in Air India as the Indian carrier grapples with record financial losses and mounting safety concerns, according to people familiar with the matter.

SIA has moved some of its executives in key roles across Air India's flight operations, engineering, and maintenance divisions - areas where the Singaporean national airline has long been regarded as a global benchmark.

Meanwhile, Tata Group, which holds a 74.9% stake in Air India, is concentrating on commercial, human resources, finance, and information technology functions. SIA holds the remaining 25.1%.

The escalation marks a shift from SIA's earlier strategic partner role to a far more h...