Wash, rinse and pat dry the pointed gourd. Cut the both ends of it and cut it into 8 pieces length wise.
Chop the potatoes length wise. Chop the onion in thin slices. Chop the green chilli into 2-3 pieces.
Heat oil in a heavy bottom pan, add chopped green chilli into it, saute it and then add chopped potatoes and sliced pointed gourd in it, saute it for 2 minutes and lower the flame.
Fry it until half done for about 5-7 minutes. Then add onions into it, saute it and then add turmeric powder, red chilli powder and salt into it, mix it well.
Cook on medium-high flame till the vegetables are done and then switch off the flame and serve it.