Dosakaya Pulusu/Yellow Cucumber Soup

This is a very old recipe in my house. I have made a small changes in it and prepared it. 

Ingredients:

Toor Dal/Red Lentils - 1/2 cup

Dosakaya/Yellow Cucumber - 1 medium sized

Onions - 1 large

Garlic - 5 or 6 cloves

Tamarind Pulp - 1/2 cup

Salt - to taste

Red chilli Powder - 1 or 2 tsp

Jaggery - 1 tbsp

Turmeric Powder - 1 pinch

For Tadka:

Oil - 1 tbsp

Mustard Seeds - 1 tsp

Cumin Seeds - 1 tsp

Red Chillies - 1

Asafoetida - 1 pinch

Curry Leaves - 5 or 6

Coriander Leaves - 5 or 6

Procedure:

Pressure cook the dal for three whistles. Mash the dal and keep it aside.

Peel the skin of yellow cucumber, remove the flesh inside it. Cut it into cubes. 

Chop onions. remove the skin of garlic also.

Heat oil in a pressure cooker, add all the ingredients under 'For Tadka'. 
Add onions, garlic and yellow cucumber pieces also. No need to fry them. Add turmeric powder, salt and tamarind pulp. Pressure cook them for two whistles. 
Once it gets cooled add cooked dal and jaggery. Allow it to boil for 5 minutes.