1st wash Chillies and dry... Then cut in circle in big sizes

Take a pan add 1 cup water boil then add sugar and salt dissolve it..

Now stir as dissolved add vinegar get a boil. Then add cut chillies

Take 3 to 4 boils let it cook so it's colour changes from dark green to light.

As it's colour changes off the stove and cover it for 5 mints it's ready you can store in glass jar after its temperature is normal.. Upto 1 month