Yes. Possible. No need to remove. Physiotherapy will help you

Hot fomentation. Gentle Stretching of Hand Muscles. Ball exercises. Wrist Exerciser.

Yes, recovery will be fast. Just consult with your Orthopaedic surgeon.

Plate no need to be removed unless there is problem. If there is stiffness there is no guarantee that will improve your movements

if u r hand functions well. no need to remove the plate unless you want it removed.

Abt time for removal of implant u need to consult the orthopaedician who did surgery. He/she can better guide abt it. U can get complete recovery after the removal of implant if u start Physiotherapy simultaneously under the guidance of Physiotherapist. Even ur recovery will be faster and also strength of hand will also improve with it.