Etah doctor claims of treating Corona patient within 72 hours

A doctor from Uttar Pradesh's Etah district claimed of treating a Coronavirus patient within 72 hours only. Doctor Shailendra has written about his achievement to the Health Ministry as well. He wished to allow the trial of this method.
Doctor Shailendra used aerosol-based humidified gas method to treat the Coronavirus patients

Take a look at the report.