In a big bowl mix together besan, salt, Dhaniya powder, red chili powder, haldi and garam masala powder.
Add the sliced onions, dahi, green coriander and green chillies. Using some chilled water mix everything together. The batter should be thick and not flowing.
Heat oil in a kadai. Once the oil is hot drop spoon fulls of batter into the oil and deep fry till golden brown and crisp. You can make 5-6 pakode at a time depending on the size of your kadai.
Remove on a kitchen tissue. Sprinkle chaat masala.
Cut the mini buns in half horizontally. Heat the butter on a tawa. Place the buns on the tawa with cut side down. Roast till golden brown.
Spread some green chutney on the cut side of the bottom portion of the bun. Place a pyaz Ka pakora. Pour some tomato ketchup on the pakora. Cover with the top part. Secure with a toothpick and serve immediately. enjoy.
