immedietly file for sons custody, if they are older than 5 years. till custody is decided ask court for visitation and not to chnage their school from current one.
If she was not given foof then how she survived 12 years…? on Air
if she says you were beating her, ask medical certificate or proofs if any
bombard with RTI to women terrorists cell for her every word, so they can get clear picture of the case.