A In otherwords while playing nadanamakriya in the madhyama shruti of MMG you are actually playing with the notes of Simhendramadhyamam.
No cml. This is NOT sruthi/graha bedham. You are simply playing the same mayamalavagowla scale at a higher pitch. Let me try to explain.
In MMG, from ma, you have M1 P D1 N3 S. Now if we look at the spacing/intervals between adacent swarasthanas we have
1 semi-tone (P-D)
3 semi-tones (D1-N3)
i.e. 2 1 3 1
When you do sruthi bedham of MMG on ma, i.e. take ma as sa, the spacing intervals of the succeeding notes of the original scale i.e. MMG, must remain the same
(this rule/conditions defines sruthi bedham as pratised in cm). Our spacing of 2 1 3 1 then translates to simhendramadhyamam
2 semitones (S-R2)
1 semitone (R2-G2)
3 semitones (G2-M2)
1 semitone (M2-P)
But if you instead do madhyama-sruthi MMG, we do shift the adhara sruthi to the pitch of ma like above, but we instead still stick to S R1 G3 M1 P
i.e. we stick to the spacing of S-R1 (1), R1-G3 (3) G3-M1 (1) and M1-P (2)i.e. 1 3 2 1 pattern of spacing/interval in semitones rather than the 2 1 3 1 in the sruthi-bedham case. So no simhendramadhyamam.
So raising the Sadja to a different pitch and sticking to the same scale should not be confused to a sruthi bedham to a different pitch of a constituent swarasthana of the same mela.