VOA to HK for Indian Passport holder

Hello Sir/Madam

I am lalit Singh from India and i want to come Hong Kong for visit like 4-5 days. I just want to conform do i need visa before i fly from Dubai to Hong Kong or can i get it on arrival at Hong Kong Airport when i will arrive there. I am thinking to fly from Dubai to Hong Kong coz at the time i am not in India. I am working in Afghanistan and next month i have vacation so i want to vist Hong Kong and company arranging me Air ticket fromAfghanistan to Dubai and
Dubai to Hong kong
so i want to know is it possible to get VOA in Hong Kong for Indian People or not ?. Please advise me ...Thanks in advance.

Lalit Singh