New Delhi, March 9 -- India has tightened access to domestic cooking gas as the escalating conflict in West Asia threatens fuel supplies and drives volatility in global energy markets.

The Centre has prioritized household LPG (liquefied petroleum gas) consumption, and introduced a lock-in period between cylinder bookings, two people aware of the matter said.

"The priority for LPG supply in this situation is domestic consumers. Further, in order to curb hoarding of cooking gas, a 25-day lock-in period has been implemented," one of the two people mentioned above said on condition of anonymity. The earlier lock-in period was initially around 15 days, which was raised to 21 days last week.

To be sure, the move may result in supply constrai...