How many keys are in harmonium instrument?

Answer 1

There 12 notes in one scale for the harmonium. This includes the sharp note mativar ma,4 flat notes (komal notes) re komal, ga komal,dha komal and ni komal there is a raag that contain these called Bhairovi sa re (K) ga (K) ma pa dha (K) ni (K) sa

komal=(K) Komal= flat note

There is one called marwaa which uses ma tivar this is how it goes sa re ga ma(T) dha ni sa

Tivar=(T) Tivar=Sharp note

Answer 2

There are three scales- low, medium and high. There are around 30 keys all together.