For the patties: cook beets in a pressure cooker or roast in oven. Peel and grate. Cook potatoes and cauliflower and mash. Add grated/ minced garlic and ginger to the vegetables. Add minced chilies or chili powder, cumin seeds, and salt. Combine all ingredients. Add whole wheat flour or chickpea flour or rice flour or a combination of all three until the mixture achieves a mold-able consistency. Mold into small patties and freeze. Before frying, coat with roasted semolina and sesame seeds. Serve hot with tamarind and mint chutney.