Feminists always advice you to file case or take legal action.
hope you are wise enough to handle your situation. if you want to walk out of marriage then you can file for divorce without filing false cases like 498A or DV.
As you wrote.
you with your own wish left husband and stayed with your mother.
you do not have proof that they took your money, or husband demanded, may be you gave yourself but now they say they took.
and you were working so as per supreme court judgments, working women will not get maintenance.