Kaakara Kaayi Pulusu (Bitter Gourd Gravy Curry)

3 medium sized ridge gourds
1 big onion sliced
2 green chillis slit lengthwise
3 tbsps thick tamarind paste
10-12 cloves garlic
2" ginger chopped
10-12 curry leaves
3/4th tsp chilli pwd
1 tsp dhania pwd
1/2 tsp jeera pwd
1/4 tsp turmeric powder
2 tsp sugar
salt
oil

Peel and deseed the ridge gourd i.e scoop out the seeds with a spoon and cut into 2" pieces.
Boil these pieces in 2 cups of water and salt till three fourth cooked.Drain.
Heat 1 tbsp oil in a pan and fry the boiled ridge gourd pieces for 5-7 minutes.Remove from fire and keep aside.
In the same pan add 1 tbsp oil and add the onions,garlic and ginger and fry till transparent.Cool and grind to a coarse paste.
Heat 1 tbsp oil in the pan add curry leaves,green chillis and the coarse onion paste.Fry for 2 minutes.
Add dhania pwd,jeera pwd,chilli pwd,turmeric and sugar.Mix well.
Add the fried ridge gourd pieces and tamarind paste and mix well.Add 3 cups of water and let the ridge gourds cook well till you get a gravy consistency(pulusu consistency).
Adjust salt and garnish with coriander leaves.