Sri Dhanalakshmi Gas Service is the app where you can buy regulator and burner.A regulator is a vital device used in gas appliances to control the flow and pressure of gas from the cylinder to the burner. .A regulator is a vital device used in gas appliances to control the flow and pressure of gas from the cylinder to the burner. A burner, on the other hand, is the heart of any cooking appliance, converting gas into a controlled flame for cooking.