Finely grate the tofu. Boil, skin and mash the potatoes. Finely chop onions, green chillies, coriander leaves and ginger. Mix everything together.  Add the spices and knead into a smooth dough. Heat soya refined oil in a pan. Make flat kababs using small quantities of the mixture. Deep fry the kababs in soya refined oil till golden brown. Serve with a green chutney.