Wash and wipe lady fingers with a kitchen towel. Trim the ends and cut it into one inch pieces.
Heat two tablespoon of oil in the pan, when hot add the bhindi(okra) and saute bhindi in oil untill they are almost cooked, remove and keep it aside.
In the same pan add the remaining oil, when hot temper the oil with dried chillies, cumin seeds, fennel seeds, mustard seeds, methi seeds, nigella seeds.
When they start spluttering add the onions and sauté for 2-3 minutes or until soft and translucent.
Add the ginger-garlic paste and saute till the raw disappears.
Now add tomatoes puree and cook on medium heat for 2 minutes.
Add in the dry masala powders- turmeric powder, chilli powder, cumin powder, coriander powder, amchur, achari masala, salt along with 3 tbsps of water and cook until you see oil seep through the masala.
Next add the yogurt and cook on medium low heat until the oil separates.
Add the sauted bhindi(okra) and mix everything well so that the onion-tomato masala coats the bhindi(okra) well. Check the seasoning.
Mix and cook for further -5 minutes stirring intermittently. Garnish with coriander leaves and serve hot with roti or rice.