In a small pot take diced tomato, onion, green chillies, ginger garlic pastes, turmeric powder, fenugreek powder and salt. Add 1/2 teacup(small cup) water and cook in low flame till water has almost evaporated and the curry is done.
Add strained lemon juice to the above cooked curry.
Switch off heat and add the dissolved coconut milk to the pan. Mix well. Add 1/2 teacup hot water to the pan. Mix well and add more water if required.
4)In a small seasoning pan, heat oil and break mustard seeds. Add 2 dry red chillies, 1 shallot and curry leaves.
Add the above seasoning to the curry pot. Mix well.
Keep the curry pot on stove once again. In very low flame heat the curry for a minute till warm. Do not boil.
Tomato ozhichu curry is ready, serve hot.