Toroi Tuna - Fiji Style - Ridged Luffa & Tinned Tuna Curry

Name: Toroi Tuna - Fiji Style - Ridged Luffa & Tinned Tuna Curry
Cuisine: Asian, Indian
Ingredients: 3-4 Toroi (Ridged Luffa), peeled and sliced; 180g Tinned Tuna in Oil; 2 Tbsp Oil; 1 Sprig Curry Leaves; ½ Tsp Cumin Seeds; ½ Tsp Mustard Seeds; 1 Small Brown Onion, diced; 1 Large Tomato, diced; 1 Tbsp Garlic Paste; 1 Tsp Turmeric Powder (Hardi); 1 Tsp Masala; ½ Tsp Asafoetida (Hing) - optional; Salt - to taste; Chillies - to taste