In a bowl toss the shrimp with curry powder and cinnamon and set aside.
Heat 1 tablespoon of olive oil in a large skillet over medium-high heat.
Add scallions and sauté for 1 minute.
Then add mushrooms, water chestnuts and 1/4 cup of cilantro and sauté until mushrooms are tender and transfer to a plate.
Using the same skillet, add the remaining 1 tablespoon of olive oil and start sautéing the shrimp for about 1 to 2 minutes.
Add the chicken broth slowly and stirring constantly.
Return the sauté mushrooms and water chestnuts to the skillet and season with salt and pepper to taste.
Let cook for about 3 to 5 minutes.
Turn off the heat and add the yogurt slowly stirring constantly and serve immediately over rice.
Garnish with cashews and 1/4 cup of chopped cilantro.