Add salt to the soaked gram and pressure cook till soft. Drain excess water and mash it lightly. Heat oil in a pan and put mashed gram and fry for a few minutes till it becomes dry. Add grated coconut and remove from fire. Crumble the gram mixture and keep it aside.
Wash, pressure cook and peel colacacia. Mash it well without having any lumps. Add salt, turmeric powder, garam masala powder, red chilli powder and 2 tbsp of oil and mix well. Add corn flour and blend properly. Make lemon sized balls from the dough. Grease your palm with oil, take a ball and pat it and mould it to form a cup shape. Put 2 tsp of fried gram mixture into the moulded cup, close it and pat it to form of a tikki shape. Repeat the procedure to make all the tikkis.
Roast the tikkis on a heated tava using 2 tsp of oil for each or deep fry them in hot oil. Serve hot with tomato sauce or ketchup.