Heat a pan with oil and temper with all the ingredients under to temper section. Add onion, garlic, curry leaves and saut until onion becomes soft. Add tomato and saut until it becomes soft and leaves oil. Add kulambu milagai thool, salt, turmeric powder and fenugreek seeds powder. Saut for few mins and add extracted lemon juice. Bring it to boil and leave it until gravy gets thicken.