Sirke Wali Pyaz(Hotel Style)

Ohhhh i love these pyaz...Back in india whenever we plan to go to a restaurant for dinner my first question come is "Do they give sirke wali pyaz"..I just love them.
This time when i went to my fav. Restaurant in india where i get these onion , i cant stop myself asking recipe of these from the chef.So here i am sharing it with u all.
Well here goes the recipe


Ingredients
Shallot/Perl Onion (Quantity depends on you)
White Vinegar(Quantity:Onion should be completely covered)
Salt according to taste
Sugar to take away the sourness of vinegar.
For colour: Beetroot or Orange/Red Food colour
(I usually mix both Orange n red colour).
Instructions
Mix Everything and leave for a few hours(atleast for 6 hr). Serve drained (without the liquid).
Enjoy!!!!!!!!!!