Heat 1 tsp oil in a pan and add cumin seeds and chopped green chilles.
Saute onions and ginger garlic paste for 2 to 3 mins.
Now add mashed sweet potato and mashed boiled white peas and cook while mixing them together for 2 -3 mins.
Add salt, garam masala, cumin powder and red chilli powder
Add little water and cook till it absorbs it all.
Now let the mixture cool down and then add lemon juice and coriander leaves and mix well.
Make small tikkis or patties and roll them up in the oats powder
Take a pan with little oil and on slow to medium flame let these get cooked nicely till they are crisp from both the sides.
Serve them with any dip or chutney of your own choice.