Coal India's sales rise for first time in six months on gas crunch, summer demand https://www.reuters.com/business/energy/coal-indias-sales-rise-first-time-six-months-gas-crunch-summer-demand-2026-04-01/?taid=69cd9310061e480001087fd8 https://www.reuters.com/business/energy/coal-indias-sales-rise-first-time-six-months-gas-crunch-summer-demand-2026-04-01/?taid=69cd9310061e480001087fd8