Take a bowl add fish and potato boiled mash it and then divided into two parts.
In one part add pepper, chopped garlic, salt, green chillies, lime juice mix well and make into small balls
in another bowl beat egg , in a plate take bread crumbs now dip the balls into egg mixture then roll in the bread crumbs and make it into which ever shape u like
Now shallow fry
For another part of fish mixture, take a pan add oil, chopped onion, salt, green chillies, ginger garlic paste, turmeric mix well, then add coriander powder, red chilli powder, chopped coriander mix well.
Now mix this mixture with fish and potato mixture well and make into small balls dip into the egg mixture and roll into bread crumbs and give a shape and shallow fry till golden brown colour.