Firstly turn on the stove on medium flame and heat the pan
Add fenugreek seeds, pepper, and cumin seeds; saute well till they turn golden brown
Turn off the stove. Transfer and cool completely
Grind into a fine powder and keep aside
Add 2 tablespoons of sesame oil to a wide heavy bottomed pan and when the oil is hot
Add mustard seeds; let them splutter
Add garlic and saute till they start to change color
Furthermore add small onion and curry leaves; sauté till onions turn translucent
Add brinjal, drumstick, and tomatoes; mix well
Furthermore add turmeric powder and required salt; mix well and cook till tomatoes turn mushy
Add sambar powder and Kashmiri chilli powder, and give a quick mix for 30 seconds
Furthermore, add tamarind extract and water; mix well and boil for 18 minutes or till the raw smell goes off
Finally, add jaggery and fenugreek powder; mix well and bring to boil