Wash gizzard in running water. Heat oil in wok, add gizzard, salt, red chilli powder, garam masala in heated oil and mix really well. Cover the lid n cook it for 20minutes on low flame. In between saute it for twice.
When gizzard cooked well add spinach leaves and green chillies. Mix it. Cover the lid and cook for another 5minutes till oil separate from gizzard in wok. switch off the flame.
Transfer it to a plate. Serve this hot as a side dish in lunch or dinner.