Two kinds of thing get published here. Reports are generated from the index, with a method, a sample size, and the raw file. Notes are written by a person. Everything carries a date and a version, because a reliability figure without one is decoration.
A charger being off is not one story. It is three: the supply, the maths, and the choice. They get the same word, which is how the third one avoids ever answering for itself. And none of the three record the driver who turned up.
Nearly half of India's public chargers are broken. It is everywhere. We followed it back: Business Standard points at Exicom, Exicom points at Down To Earth, Down To Earth points at nothing. Three links, ten minutes, no study at the end of it.