Heat oil in a pan/ kadai.
Add the ginger garlic paste & fry on low heat for 2 mins.
Add the Masala paste, mix and fry on medium heat for 2 mins.
Add 1/2 tsp salt, mix and continue to fry on low to medium heat for 13-15 mins till oil separates.
Add 250 ml water, Kashmiri Red Chilli powder and mix & add the lightly fried fish pieces. Add slit green chillies & stir gently.
Cover & cook on low heat for 10-12 mins.
Shake the pan to mix. Do not use a spoon…the fish steaks will break.
Serve with rice.