The price of a 19 kg commercial LPG cylinder in Chennai rose by Rs 48 on Tuesday, now costing Rs 1,903. However, the price of a 14 kg domestic LPG cylinder remains unchanged at Rs 818.50. LPG prices are revised monthly based on factors like international oil rates and domestic policies. This increase is expected to affect industries relying on LPG, including small manufacturers and restaurants. Meanwhile, the government continues to promote LPG use for households through schemes like the Pradhan Mantri Ujjwala Yojana, offering subsidies to eligible families.