How to use solar electricity system for making digital school. It take one step ahead to make digital India.
Ethanol is widely used in the medical field and has many uses. Prime minister Narendra Modi himself has initiated the production of ethanol on a large scale. This genius girl has come up with a brilliant technique to produce ethanol in your household itself with the use of fruits such as papaya, banana and onion with a mix of sulphuric acid. Please do watch.