Singapore state investor Temasek, the ⁠majority shareholder of Singapore Airlines , on Saturday backed the airline’s investment in Air India, as scrutiny grows over its stake in the loss-making Indian carrier. Air India’s request for about US$1.5 billion in fresh equity from owners Tata Sons and Singapore Airlines was ‌first reported by Reuters this week. Singapore Airlines owns 25.1 per cent of India’s second-largest airline, with the rest owned by Tata. News of the funding request prompted...