Tasty One-Pot Rasam Rice Recipe

2 tsp oil/ghee
1/2 tsp mustard seeds
1/2 tsp cumin seeds
1/4 tsp asafoetida
1-2 sprig curry leaves
1-1/2 tsp garlic, finely chopped
1 1/2 cup rice, soaked for 15 mins
1 tsp rasam powder
1/4 tsp turmeric powder
Salt, to taste
4 cups water
1 tbsp fresh coriander, chopped