1) In a microwaveable dish, combine the oil, asafoetida, fenugreek seeds, cumin seeds, curry leaves and ginger. Mix and cook covered in microwave on HIGH for 3 minutes.
2) Add the pumpkin cubes, green chillies, salt, red chilli powder, turmeric powder, coriander powder and sugar. Mix thoroughly and cook covered on HIGH for 5 minutes.
3) Stir then cook covered at 70% for another 15 minutes, stirring once in between. Should be cooked and done, if not, cook for another few minutes or so or until pumpkin is cooked and done.
4) Mix in the tamarind pulp, and cook at 30% for 5 minutes and mix. Finally garnish with the coriander leaves.