Mix the mashed boiled fish and potatoes.
Add the chopped onions, green chilies, ginger and coriander leaves/ cilantro.
Add the spice powders and salt. Mix to combine well.
Take out small portions & form kebabs/patties.
You should be able to make 8-10 kebabs/paties based on size.
Now take a frying pan & heat oil & arrange all the kebabs. If required fry in 2 batches.
Fry on one side on low heat for around 6-7 mins till golden.
Flip it on the other side & continue to fry for 6-7 mins. If required, keep turning till it is golden/ light brown on both sides.