Action against school construction on my land without my consent

Sir I am a retired army personnel. We are 4 brother. My two younger brother is in army. My elder brother was a teacher and he stayed in our village from starting. Now he made a school and an Iti institute on a piece of land next to road. We all were not present when this construction was done. After he told us that he won't use rest of land and we can take land in other good places. But now he was again taking the construction further and is covering good land so i put the stay on that school and iti institute so that no further construction should be done. But still he did the construction and the case is in the court. Now problem is to stop him I can act but their are students studying in his institute. I don't want them to be suffered. Is it possible that i can write a letter describing my situation to the education department of my state to not to allow them to run the school and iti from next year. Will it work?