In Bansuri notation, Ma is half open or fully open.
Which octave is half open Ma located and which octave is full open Ma located.
Or is full open Ma a special case?
Different places tell different things.
Full open Ma is not a special case. Full open Ma is just a sharp (F#). Half open Ma is not sharp, but a natural (F). Some websites put different things, but here is the standard chart I recommend you use:
