Heat 2 tsp oil in a pressure pan.
When sufficiently hot add the mustard seeds and let it splutter
Next add the cumin and fenugreek seeds and fry for few seconds
Now add the finely chopped green chilli and saute for a minute
Add the chopped ginger and continue to saute
Now add the thinly sliced onions and saute till it becomes translucent.
Add the salt and mix well and continue to cook on low heat till it caramelises.
Now add the asafoetida and mix well.
Add the finely chopped tomato and mix well and cook for 1 minute
Now add the coriander, chilli and turmeric powder, mix well and continue to cook for 3-4 minutes.
Now add the pumpkin pieces and mix well.
Add the garam masala, jaggery powder, amchur powder and mix well
Add 1/4 cup of water and close the lid and cook upto 2 whistles. Let the pressure subside completely
Open it, mash slightly and add the coriander and cook on open for another 5 minutes for the moisture to evaporate
Serve hot with roti or chapathi