Mere pass bhi hota tha ji pichhali sadi mahi ji Auto transfer se making of inverter us jamane mahi jab koi janta nahi tha ji har admi kalyugi sab transformer resistance diode transistor ki help se banana hota tha imergency light control automatically bina difficulty easily raidy without battery Ji jai jai jai jai hind ji Vande Vande Vande Vande ji Vande matram matram ji Electronics for you maiya shree ji guru maiya shree ji guru pita shree ji Namo Namo Namo Namo Namo Namo Namo Namoh Namoh Namoh Namoh