About Possession

I HAVE A PROPERTY ABOUT 130 SQ YARD .THIS BELONG TO A MINOR CHILD OF 10 YEARS OLD .THIS CHILD IS ADDOPTED OF DECEASED PARENTS OF THE CHILD .THIS CHILD IS UNDER OUR SECURITY .WE ARE LOOKING AFTER THE CHILD .BUT SOME OTHER PERSON ARE TRYING TO MAKE FORGE DUCUMENTS OF THE PROPERTY AND THEY WANTED TO SELL THE PROPERTY OUT SIDE BUT WE ARE IN POSSESSION THE PROPERTY AND I AM RUNNING AN NGO AND RUN A COACHING ON THE PROPERTY. MY QUESTION IS THAT WHAT SHOULD I DO TO SAVE THE PROPERT? SHOULD I LOADGE ANY COMPLAINT ? I HAVE INSTALLED CCTV CAMERA AT THE PROPERTY CAN GUNDES ( BADMAS) ENTER THE PROPERTY FORCEFULLY?