Start the following way:

Decide on the dates.
Approach any of the umrah agencies.
Only visa will be sufficient if u are going by car, agency will do that.
Original passport with photographs
if u are going by your vehicle and if your vehicle is through bank, then u need an NOC from bank and then an Exit from police department, without this you cannot cross the border.
visa process generally 10 days,
thats it, go to umrah and make dua for us

If any more informations are required, please contact, i have gone to Umrah several times by my own car.