tuna kebab recipe/how to make tuna fish kabab

you will be confused that this kabab made out of meat if you don't know it is actually tuna. tuna kebab Ingredients: spring water tuna (net 185g can -140g drained weight) 1 potato (steamed) 1 egg (white yolk separated) 1 1/2 tbsp cornstarch bread crumbs (optional) seasonings: 1/2 tsp cumin powder 1/2 tsp coriander powder 1/4 tsp turmeric powder 1/4 tsp nutmeg powder 1/2 tsp black pepper powder red chilli powder to taste 3/4 tsp garam masala powder(cinnamon , cardamom, cloves) ginger garlic paste 2 tsp finely chopped onion, cilantro, green onion, green chilli