The things that determine a vitiligo outcome — whether the disease is active, whether the current treatment is the right one, whether a patch is a candidate for surgery, whether the diet advice you were given matters — are all judgements. Almost none of them requires being in the room.
India has among the highest vitiligo prevalence in the world and a very uneven distribution of dermatologists who treat it in depth. A patient in a district town is frequently told either that nothing can be done, or that a cure is available for a fee. Both answers are wrong and both are common.
A video consultation is a way to get a considered opinion without a thousand-kilometre trip — and, when travel is genuinely warranted, to arrive knowing exactly what for.