Regading ni act138

Instead of worrying for such matters put your energy to contest the case.

If proper efforts are put it is easy to win cheque bounce cases since the complainant make lot of mistakes in sending notice and framing pleadings in the complaint.

Your queries are scattered at different threads some of them are:-

https://www.lawyersclubindia.com/forum/Regading-ni-act138-68226.asp#.UMBbyWfPz_0

https://www.lawyersclubindia.com/forum/Ni-act-138-68296.asp#.UMBbxWfPz_0

https://www.lawyersclubindia.com/forum/Dissolution-of-marriage-70489.asp#.UMBbwWfPz_0

can you prove that the cheque was given as extortion money.  Then she is not holder in due course and 138 may not apply. Consult your lawyer