Cut and peel Potatoes in big chunks.
Rinse the Potatoes couple of times to remove starch.Then make small cuts over it.
Take about 1 litre water and to it add 1/2 tsp Salt.Also add the cut Potatoes to the Water.
Keep them to cook till 80% done.
Strain out and drop over the Potatoes Corn flour, Kashmiri red chilli powder and Salt.Coat them.
Now fry them out in hot Oil till golden crispy.
For the gravy in hot Oil keeping heat low add Kashmiri red chilli powder, mix and after about 30 seconds drop the fried Potatoes.
Continue sauting on medium to high heat for about 2 minutes.
Then add the instant Indo Chinese premix to it and give a stir.
After 2-3 minutes add water to it and a Corn flour slurry to make the gravy thick.
Also adding Soya sauce, Vinegar and Salt.
Give it a boil and then switch off.It will turn more thick after it cools down a bit.