From last eight years I am in this field.
I have done my Jyotish visharad from ICAS, Karol Bagh(Indian council of astrological sciences).
It will take minimum 3 days and maximum 7 days.
Mostly lifestyle and karma based. So, it will be easy to do.
Consistency is most important to improve your life.
Yes, Planets do not know who one is Hindu/Muslim/Sikh etc. They emit their vibrations in the cosmos, because its their role in the universe.
No, You can take consultation on phone call, on wats app call, skype etc. If you want personal consultation, you can go for it and in this consultation, you can ask unlimited questions.
Just after consultation you can ask about remedy or any doubt at the same time again. But after the whole process completed then and you come after a certain duration, you will have to book consultation again.
You can take classes on skype/wats app/google video calling etc.