Heat the oil in a non-stick pan, add the chana dal and urad dal and cook on a medium flame for 2 to 3 minutes or till they turn light brown in colour, while stirring continuously.
Add the red chilies and sauté on a medium flame for 2 minutes.
Add the jiggery, garlic and tamarind pulp, mix well and cook on a medium flame for 1 minute.
Add the coconut, chili powder, pepper powder and salt, mix well and cook on a medium flame for 1 to 2 minutes, while stirring continuously.
Allow it to cool a little and then blend in a blender using a little water to a smooth paste.
Serve this immediately or store in an air-tight container in a deep-freezer.
You can also use this chutney for preparing mysore masala dosa.
Recipe by Zeel's Kitchen at https://zeelskitchen.com/recipe/mysore-chutney/