Thanks for writing in.
The condition you are suffering is Vitiligo vulgaris .
It is a autoimmune condition.
Treatment can be steroid /tacrolimus.
is effective and safe option,
Few procedures like chemosurgery and skin grafting
can be helpful.
They are available at dermatology clinics.
Also supportive oral tablets containing folic acid
and multivitamis can be helpful.
Please consult a good dermatologist
for proper examination and prescription medications.
Hope this helps.