String Bean Masala/String beans Stir fry with Coconut and Spices

Ingredients:
2 cups of String beans chopped
Sal to taste
For Masala:
3 tbsp Bengal gram
1 tbsp Black gram
2 tbsp Coriender seeds
4 red chilies
1/2 tsp asafoetida powder
4 tbsp fresh coconut grated
a lemon sized Tamarind pulp
Tempering:
1 tsp Mustard seeds
1 tsp Bengal gram
1 tsp Black gram
1 tsp Cumin seeds
1 red chili
few curry leaves
1/2 tsp asafoetida powder

Heat 1 tsp oil in a medium pan, add all the ingredients from Masala list except coconut saute for 2-3 mins or until it turns light golden and grind to fine paste with coconut by adding little water and keep aside.
In a heavy sauce pan, heat a 3 tbsp oil add mustard seeds,cumin seeds, bengal and black grams, red chili and curry leaves when mustard seeds splutters add asafoetida powder and chopped long beans saute for a min. Add turmeric powder and 1 to 11/2 cups of water mix well and cover the lid. Let the beans cook.
Meanwhile, In a medium pan add 2 tsp oil add ground masala paste and cook for 5-7 mins or until the paste is dry and crisp.
Lastly,  add the masala to cooked beans and cook for few more mins until masala blends well with beans.
Serve with hot rice.