Back then in school time, when I'm a little boy my teacher told me this story, story title   "Thomas Alva Edison story in Hindi class 10" by the way I'm a Hindi medium boy. so I hope you enjoy ''Thomas Alva Edison real story in Hindi'' according to my teacher; I don't know it is real or not but I like this story. and for more videos subscribe to my podcast. and always thank you so much for watching.