Heat the oils in a large pan/wok on medium high heat
Add the seeds and let them sizzle
Now add the crushed ginger, give it a quick stir and add the green beans
Add in about a teaspoon of salt, your 1/2 tsp of chili powder and the 1/4 tsp of turmeric and stir to combine
Let cook uncovered without stirring for 4-5 minutes, the beans will start to char
Move them around cook for another 4-5 minutes and test for doneness and seasoning.
Add your sliced green chilies, mix, cook for a minute more and serve.