Mix rice and Gram pulse/ Urad dal/ Masoor Dal (Use gram pulse for the most crispy texture)
Soak it in water for 1-2 hours
Grind rice in a mixer and prepare a thin consistency batter
Add salt, cumin, and finely chopped green chili (all optional) to the batter and mix well
Heat a flat pan, preferably a dosa pan (tava)
Apply some oil to the surface when properly heated
Spread a thin layer of batter on the pan
Once it's a little cooked, apply some oil to it
Flip the papri to the other side
Apply oil to the other side and cook it properly until crispy (optional)