You are in for trouble for neglecting your injury.
Stiffness is a difficult situation especially in hands.
Try:
Hot water compression.
Physiotherapy will Swiss ball exercises.
Medications like Enzomac and Tendocare will help.
Next Steps
Get x-rays done.and share.
Health Tips
NEVER GO TO QUACKS OR BONE SETTERS.
THEY HAVE NO CLINICAL KNOWLEDGE.