Take a kadhai add 1/2cup of water and boil it now add ginger,garlic,onion,and red chillies and cover the lid and cook it in 2 minutes

After 2 minutes open the lid and all boiled Masala take out a plate after cool this mixture make a smooth paste

Now take a cleaned fish pieces add 1/2tsp salt,little bit of turmeric powder and littile bit of red chilli powder give it a good mix and rest it At least 5 minutes

Now take a kadhai heat 1 tablespoon oil add fish pieces nice and crispy after fry all fish pieces take out a plate

Now same pan you can add mustard seeds and cumin seeds and fry it in 2 seconds

Next add boiled Masala(oinion, garlic, ginger and red chillies) paste fry it in till golden

Next add tomato paste and all spices and cook it in a low flame when oil is extract in masala you can add 1cup water cover the lid

After 2minutes open the lid and add fryed fish pieces mix jently and cover the lid and cook it in low to medium flame just 3,4 minutes

After 4 minutes open the lid and add chopped coriander leaves and mix it and switch off the flame