Add chickpea flour, red lentil flour, rice flour, salt and baking soda in a bowl.
Mix water with oil.Blend the liquid with little turmeric
Add water mixture to flour along with some turmeric powder.Add little water mixture first and then add more if required to get a semi hard dough.
Knead into a semi hard dough. Cover and leave aside for 15 minutes.
Boil water in bowl. Transfer the dough to a sev maker/snack compress. Press to get thin sev in the boiling water.
Cook for 2-3 minutes. Take the sev out of water.
Take the sev out of water and place it over a tissue. Let it cool down for 15 minutes.
spray some oil and transfer the sev to a preheated air fryer basket. Cook at 160C/320F.
Cook for 9-10 minutes. Spray oil and cook further for 6-7 minutes or until its cooked .(total cook time of 16-17 minutes). The sev becomes more crispy when it cools down.
Take the cooked sev out. Store in an air tight container when cool.