For sagu masala: Take a mixer jar, make fine paste of coconut, garlic, ginger, green chillies, poppy seeds, cinnamon, cardamom, cloves with sufficient water. Keep this aside.
Take a thick bottomed wok, heat oil, add mustard seeds, bay leaf saute well. Now add chopped onion and tomato, sauté well.
When onion and tomato mixture gets cooked, add the ground sagu masala paste, sauté for a minute.
Add vegetables, tamarind paste, salt, jaggery powder as per taste and add required quantity of water for thickness. Simmer until the sagu thickens or boil for 2 minutes with stirring. Add chopped coriander leaves and mix well.
Quick and delicious Karnataka style mixed vegetable sagu or curry is ready to be served with poori, chapati, appam, dosa.