What Is The Acurate Dose Of Devarol Ampoule For Vit Defeciency?

I have vit defeciency 24 mg and normal calcium range I have taken devarol ampoule the ampoule was 2ml include 600000unit the doctor describe for me 400000 weekly so the nurse was taking about 1.5 ml I took that for 2 consecutive weeks and it is planned for me to take the third injection of 400000 unit next week what is your advice doctor is that right?