Make Gram Flour Paste: In a bowl, add gram flour(besan), corn flour, salt, red chilli powder, chaat masala powder, baking powder and mix all the ingredients together with the help of whisk.
Now slowly and gradually add water and make a thick paste.
Beat the mixture for few minutes until you get a smooth texture.
Cover the bowl for 30 minutes to get set.
Vegetable Cutting: Cut onion in the form of rings and slices. In the same way, cut potato slices and fingers.
To Make Potato Slice Pakora, first, dip the potato slices in a thick paste of gram flour (besan) and coat well.
Now dip the slices in hot oil and deep fry properly.
As the potato slices get golden brown color take it out on kitchen paper.
Now make Onion Ring Pakora. Dip the onion ring in same gram flour paste and coat well.
Deep fry until get crispy and get golden brown color.
In the remaining mixture of gram flour, add potato fingers and onion slices along with green chilies and make Laccha Pakora.
Take a heap of potato and onion in spoon and place in hot oil.
Fry from both side until getting golden brown color.
Now all the Pakoras are ready to eat.
Serve and enjoy with chutney.