For the Gravy :
1/4 cup - oil
1/2 tsp - fenugreek
1 tsp - oregano
1 pinch - asafoetida
1/2 tsp - nutmeg powder
2/3 cup - plain yogurt
1 tsp - ginger paste
1 tsp - mustard seeds
1/4 tsp - nigella seeds
4 tbsp - coriander powder
1 tsp - red chilli powder
1/2 tsp - turmeric powder
1/4 tsp - cumin powder
rock salt to taste
salt to taste