Boil the brain carefully in water adding a little salt and a pinch of Turmeric and a pinch of Red chili powder. Boil for around 10 Minutes and drain the water.
Add a tbsp Oil to a pan. Add the boiled brain and fry for 2 minutes on medium heat on both sides. Take it out and set it aside.
In the same pan, add the remaining oil followed by curry leaves and onions.
Once the onions turn transparent and light brown, add tomatoes and green chilies.
Once the tomatoes turn mushy, add turmeric powder, red chili powder and salt.
Once everything is mixed well, add the brain carefully to the pan and delicately mix the brain with the masala.
Sprinkle some chopped coriander leaves before serving. Serve with Parantha or Roti.