In a pressure cooker. add the vegetable, followed by curry leaves, salt, turmeric powder, chilli powder and water.
Cook on medium-low heat. Switch off after 2 whistles
Grind the coconut along with cumin seeds,ginger, garlic,shallots and chillies to a very fine paste and keep aside.
Heat a pan on medium-low
Add mustard seeds
When they start to splutter, add curry leaves
Add the sliced shallots and dried chillies and fry till the shallots caramelise ,ie turn to brown colour.
Add the turmeric powder
Add the ground paste and stir for a minute.
Add the cooked vegetables and mix well.
Add the beaten curd and mix well.
Keep an eye on the curry and switch off as soon as you spot the first bubble.
Add the fenugreek powder and stir well (If you let the curry boil, it will curdle).
Add salt if required