Roast leftover roti slightly in oil or ghee. Cut it into small pieces and add into a mixing bowl.
Now in a mixture jar, add green chilli, ginger, garlic, jeera and a pinch of salt. grind it into a coarse paste.
Add grinded paste into mixing bowl, also add onion slices, coriander leaves, turmeric powder, red chilli powder, coriander powder, hing, ajwain, amchur powder, black salt, salt and sesame seeds. Mix well.
Now squeeze and mix well making sure all the spices are well combined with roti and onions, so onion slices release moisture.
Then add besan into batches. Mix well and coat with bhajiya mixture.
Now sprinkle only 1-2 tbsp water and bind the mixture.
Then heat oil and drop the pakoda mixture with your fingers
fry on medium flame stirring occasionally.
lastly, drain off the pakoda and enjoy with hot tea and fried chilli.