Heat coconut oil on medium flame and once when oil is hot add mustard seeds, fenugreek seeds and cumin seeds let them splutter
Add red chilli and green chilli let them roast
Furthermore, add garlic and give a quick saute
Add tomatoes, salt mix well
Cook till tomatoes turn slightly mushy
Add turmeric powder, rasam powder and mix well
Furthermore add water and tamarind paste, and let it boil well till the raw smell goes off
Add curry leaves coriander leaves, hing, ginger powder, and mix well
Simmer to lowest flame add coconut milk, water and pepper powder; mix well and cook for 1 minute