Is dupa hair loss is curable? How much will be the result?

There is no particular "cure" for Diffuse Un-Patterned Alopecia. There may be some treatment options but you need to see a doctor for a proper exam first.

DUPA, or diffuse unpatterned alopecia, is a form of genetic hair loss (androgenetic alopecia) where hair thinning occurs at the front sides and back. Treatments are non surgical - not surgical Options for DUPA include1. finasteride,2. minoxidil3. platelet rich plasma4. low level laser therapy

Diffuse Unpatterned Alpecia (DUPA) is uncommon and rarely can be treated very successfully. Sometimes, some improvement can be seen with finasteride in men