1. There will be around 6 pieces in 250g fish.
2. Wash and dry Rupchand fish.

1st Marination

1. Marinate the Rupchand fish with spices as mentioned in the next step for 15 minutes before frying those.
2. Marinate Rupchanda Mach with 1 Tsp. Salt, 1 Tsp. Turmeric Powder, 1 Tsp. Red Chilli Powder, and also 1 Tsp. Tandoori Masala.
3. Add 2 Tbsp. Lemon Juice,  1 Tbsp. Onion Juice, 1 Tbsp. Garlic Juice and 1 Tbsp. Ginger Juice as well to the marination. (check notes)
4. Coat the fish properly with spices.

2nd Marination

1. Take 100g Semolina (Sooji) on a plate.
2. Smear the Sooji and add 1 Tsp. Salt and mix.
3. Now coat marinated fish with Rava aka Sooji.
4. Following the same process coat all the Roopchand fish chunks with Semolina.
5. Once done, keep the fish in the refrigerator for 10 minutes.
6. There will be some marinade left in the bowl where the fish were kept. Keep that marinade.

To make Tawa fish fry

1. Heat 2 Tbsp. Mustard Oil in a Tawa/ Pan on high flame.
2. Now shallow fry the coated fish on medium flame.
3. Depending on the diameter of the pan you can fry 2-3 fish at a time.
4. Fry each side for 2 minutes.
5. After 4 minutes, keep flipping to see whether the Rava turned light brown or not.
6. Keep the flame medium all through.
7. It may take another 1-2 minutes.
8. Once done, strain from the pan.
9. Following the same process fry the remaining fish.
10. The remaining oil in the pan will be used in making the topping as mentioend in below steps.

To make a topping and to serve Tawa fish fry.

1. Quickly chop 1 Onion and 2 Green Chillies.
2. Use the remaining oil in the pan to fry the onion and green chilies as well on high flame.
3. Fry for 1 minute on high flame.
4. Add the remaining marinade.
5. Fry for 2 minutes to make a spicy topping.
6. Top the Tawa-fried Rupchanda Fish with the spicy Onion fry.
7. Serve the Rupchand Fish Fry as a starter!