How To Replace Pressure Cooker Pressure Valve Prestige How To Rectify The Safety Valve In My Pressure Cooker?

How to rectify the safety valve in my Pressure Cooker? - how to replace pressure cooker pressure valve prestige

Hello everyone, I have an Indian Prestige 3, cooker point. But unfortunately, when cooking the safety valve is defective. What type of wax used in the safety valve? I replace it? I am also from India. I do not know where to fix it, and I am very worried, but my kitchen. I look forward to suggestions on UR. Thank u ..