What is electro-homeopathy?

there r some collges conducting classes- the government disaapproved this system. can any body explain this system

Take a look at Radionics.
David Tansley

Scalar technology.
There are a few devices out there, and a few you can build yourself. Check out Rife machine and others.
With electro-homeopathy, you copy the energetic pattern of the original substance and capture that in water or other solution, then use it like a regular remedy. (I'm assuming you know what homeopathy is and how substances it's made...)
Government did not like Radionics experiements being conducted. Electromedicine of the use of specific frequencies on the cells of the body is very powerful.
As we are surrounded by EMFs generating devices and wireless frequencies, it would be useful to try to counteract these disturbances in our electromagnetic bodies through the use of helpful harmonics/frequencies/colors/ etc...