Cook green gram in enough water by adding salt and 1/4 tsp turmeric powder for 4 whistles in pressure cooker.
Grind grated coconut by adding 1/4 tsp turmeric powder into a coarse paste.
Heat coconut oil in a pan. Add the mustard seeds and allow it to splutter. Then add the curry leaves and after that add dried red chilly, chopped shallots and garlic. Saute for 30 seconds.
Add the coconut mix and saute for 1 minute.
Then add chopped vazha pindi and 1/2 cup water with required salt. Mix well and pressure cook it for 1 whistle.
After the pressure releases, combine the cooked vazha pindi and green gram together in an open pan. Cook for another 10 minutes in low flame till water content disappears fully.
This protein thoran can be served hot with kanji, chappati, steamed rice etc.