We do not recomend any lawyers, as there are lawyers in our Group who can guide you accordingly; if you are comfortable with them you can appoint them, its upto you.
We do not advice on what had happend in family, we need what is there in FIR, what section they applied.
Please let us know; if she wrote they gave you dowry.
You can counter all her lies, You can ask her to produce medical certificate / some witness for what she has written;
You can file RTI with Police to get Police dairy details and proofs she produced to Frame charge sheet.