In a bowl,grate potatoes with the help of the grater,add fresh coriander & mint leaves,green chilli, cumin seeds,garam masala powder,turmeric powder,red chilli crushed,salt,chaat masala,red chilli powder,rice flour and mix well,cover and let it rest for 15 minutes.
Take a mixture and make kababs of equal sizes (makes 12-14).
In frying pan,heat cooking oil and fry kababs on medium flame from both sides until golden brown.