One year is a too long time to struggle with fungal infection, which is common and easily curable with right medicines in proper dosage and for apt time.
As you already have been using home remedies, and mentioned that your infection is progressing, you must be aware now that you need to consult soon.
You may book online slots and get rid of your constant itching problem
Next Steps
consult a certified dermatologist
Health Tips
wear loose, cotton clothes
wash your clothes separatly
dry your clothes in sunlight
avoid sharing towels/clothes
see if any other family member is affected, and get timely treatment