1. You have not mentioned whether you marriage has never been consumated or that she is just refusing to be physical with you,
2. It will be difficult for you to prove that your marriage has not been consumated due to her refusal when she is also alleginging your impotence,
3. You have not mentioned why did her parents taken you to doctor and if it is for testing your potency, what is the examination report furnished by the said doctor,
4. If the impotency factor is taken care of by you, then you can file a divorce suit on the ground of cruelty,
5. Be prepared for her filing DV case and complaint u/s498A against you which you shall have top contest fittingly.