Heat oil in a kadai.
Finely chop ginger and garlic. Add cumin seeds, ginger and garlic to the hot oil and sauté. Finely chop green chillies and add. Sauté on high heat till garlic turns light brown.
Finely chop onions, add to the pan and mix. When the onions are lightly browned, add fenugreek leaves and sauté. Cook on low heat.
Add turmeric powder, red chilli powder, dried mango powder, coriander powder and salt and mix.
Break wadiyaan into small pieces and add to the pan. Add garam masala powder and mix.