Mumbai/Bengaluru, April 1 -- Fast-food chains serving dosas and momos to pizzas across India have found out that switching away from cooking gas amid the ongoing supply squeeze is difficult. The piped gas network is confined to a few cities, and the transition to electric cooking is hampered by higher operating costs and a spike in upfront equipment prices.

"Over the past three weeks, we have made conscious efforts to reduce our dependency on gas by increasing the adoption of electric equipment across locations," said Ankur Sharma, co-founder of Rebel Foods, which operates cloud-kitchen brands such as Faasos, Behrouz Biryani and Oven Story Pizza.

"In some areas, we continue to face constraints due to limited availability of equipment fr...