Is Vitiligo Curable?

Hi Dr. i am 31 years old i was deagnosed vitiligo 21 days ago and started this treatment, i have small white patches in my face ,back , legs and was given this medication
1) tab MELANOCIL
2 on alternate days after breakfast with milk.....(30days)
expose to sun for 30 min after 2 hours of taking tablets

2) WHITCARE LOTION
dilute (1:!)with oil and apply alternate days... (30days)
expose to sun for 10 min imediately after applyng

3) Tab. COBADEX
0........0........1 after meal....(30days)

4)Tab. FERSOLATE
0........1.........0 after meal....(30 days)

5)Inj. KENAKORT 40MG
Deep intra muscular repeat after 15 day

6)TACREL FORTE CREAM
apply at night on the spots

AVOID : curd, lemon,tomato,mango,sour fruits, avoid onion and garlic
Please advice me , and is it cureble this desease, i am worried?