Wash and peel the skin from ginger, garlic.
Heat a nonstick pan with oil, add fenugreek seeds, urad dal, and saute well.
Next add green chili, red chilies, ginger, garlic, and tamarind.
Saute for a few minutes until the raw smell goes away.
Turn off the flame, keep it aside to cool.
When the mixture is cool, add it to a mixer jar along with the grated jaggery, salt, and very little water.
Grind to make a smooth Inji Thogayal.