Beetroot and Mixed Vegetables Stew

Name: Beetroot and Mixed Vegetables Stew
Ingredients: 1 beetroot peeled and chopped; 1 carrot peeled and chopped; 1/2 cup beans chopped; 1/2 cup raw papaya cubed; 1 potato cubed; 1/2 cup green peas; 2 green chillies; 1 bay leaf; 1 tbsp ginger garlic paste; 2 medium onions roughly chopped; 2 tomatoes chopped; 1 tbsp tomato puree; 7-8 black peppercorns; 1/2 tsp black pepper powder; 1/2 tsp garam masala; 2 green cardamoms; 1/2 tsp salt or to taste; 1 tsp sugar; 2 tsp ghee (clarified butter); 1 tbsp cornflour slurry