In a mixing bowl, combine besan, ajwain, red chili powder, salt, Eno salt, sliced onions, and chopped spinach. Mix everything thoroughly, allowing the moisture from the onions and spinach to bring the ingredients together. Let the pakora mixture rest while you heat the oil.
1 cup Gram Flour (Besan / Chickpea Flour), 1 tsp Carom Seeds (Ajwain / Omam), 1 tsp Red Chili Powder, 0.5 tsp Eno Salt, ¾ tsp Salt, 1 cup Spinach (Keerai), 1 no Onion