Heat oil in a heavy bottomed vessel, add cumin seeds and allow to splutter. Add chopped onions and saute till pink. Add ginger garlic paste and saute for 3 mts.
Add the carrot, potato, beans and cauliflower and saute on medium flame for 4-5 mts on medium high. Add salt and turmeric pwd and combine. Reduce flame, place lid and cook till the vegetables are half cooked. Add crushed tomatoes and cook further for another 4-5 mts.
Add 2 cups of water to the vegetables and bring to a boil. Cook with lid for 7-8 mts. Remove lid, add the ground paste and mix well. Add amchur pwd and kitchen king masala pwd and mix. Cook on low-medium flame for 15-20 mts, till the texture is thick and not watery.
Turn off heat and garnish with fresh coriander leaves. Serve with hot rice, chapatis or dosas.