Wash and chop tindora in circles. keep them aside.
Add roughly chopped onion, peeled ginger, garlic, green chili, and turmeric in a blender and make a coarse paste.
On instant pot saute mode, heat the oil. Add mustard seeds, cumin seeds, whole urad dal, and dry red chilis, until they splutter and dry red chili changes color.
Add chopped tindora, salt, and thing, and mix all together.
Add the coarse onion paste on top of the tindora. Don't mix, to avoid a burn sign.
Close the instant pot lid and cook on pressure cook for 5 min, high pressure.
Quick release and serve it with hot rice or roti.