Tek a pot put 4 tbsp of oil kip on flame add garlic, curry leaves n mustard seeds let it splutter add tomatoes, salt n spices saute til paste like formed add tamarind, tomato puree lemon juice, mix well add chana wid its water in wich its boiled jus 1 cup, also add potatoes cook til it bubbles, remuv from flame garnish wid chopped corriander leaves