Open the Pachhappayar (Cowpea, green) and take the seeds out and keep them in a plate. (if there is any tender pachhappayar, then cut it into small pieces as shown in the picture)
Remove the skin of the Vaazhakkaaya (Plantain) slightly and cut them into small pieces and keep those pieces in normal water to clean them
Crush the Shallots and Red Chilli together and add Curry leaves also into it.