Mix together potatoes, green cardamom powder, mace powder, green chillies, cornflour, 2 tbsps fresh breadcrumbs, salt and red chilli powder in a bowl.
Heat sufficient oil in a kadai.
Place bhuna masala in a bowl.
Divide the potato mixture into equal portions and shape each of them into a katori. Stuff them with a little bhuna masala. Gather the edges together and seal and shape into a round kofta.
Coat the koftas with breadcrumbs and deep fry the in hot oil till golden and crisp. Drain on absorbent paper.
Place a lemon wedge, thin strips of red and green capsicums on a serving plate. Place the koftas on the plate and serve hot.