Ask Your Lawyer to file Counter for giving Dowry, [ Read IPC where it says giving Dowry also crime equal to demanding it) so she should go to jail 1st for giving.
File a RTI with her Income Tax or inform IT about this half Crore.
for some cases only your presence is required to file for others your lawyer can do / Represent you.
and do not forget to file RTI to same Police who framed charge sheet, where they found she gave half Crore property is True.
Let me know if you need format of this RTI