Mix together the ginger garlic paste and green chilies. Set aside.
In a blender or food processor, purée the tomato and tomato paste. Set aside.
Heat up cooking oil in a large sauté pan over medium heat. Sizzle the cumin seeds and asafoetida for 30 seconds.
Add in the ginger garlic chili paste and fry for 1 minute.
Add in the tomato purée and fry for 6 minutes.
Add in the coriander powder, turmeric powder, and Kashmiri chili powder. Fry for 1 minute.
Slowly whisk in the Greek yogurt. Simmer on low heat for 5 minutes.
Pour in the water and season with salt. Simmer for 8 minutes.
While the curry is simmering, preheat the oven to 450 degrees. Place the poppadum on a rack.
Bake for 3-4 minutes.
Break up the poppadum into chunks and toss in the curry sauce. Cover and simmer for just 2 minutes.
Garnish with cilantro.