Apply coconut oil to your palm and then using a kitchen knife, cut the thick skin from the yam and discard.
Cut the yam into thin slices. The thickness should be almost 1/2 centimeter.
Soak the yam slices in 2 cups water to which 1 tablespoon salt has been added. Let them be soaked for at least an hour.
Wash them after 1 hour under running water preferably RO water.
Apply tamarind paste to the yam slices and leave them aside for 30 minutes.
After 30 minutes, apply 1 teaspoon red chili powder, 1 teaspoon turmeric powder and 1/4 teaspoon salt.
Mix the ingredients meant for coating, which is rava (semolina), rice flour, red chili powder, turmeric powder, and salt.
Heat a tava / frying pan and drizzle 2 tablespoons of oil on it.
Coat the masala coated yam / suran slices in the spiced rava and spread them on the frying pan.
Drizzle 2 tablespoons of oil on top of these and fry for 10 minutes on low flame.
After 10 minutes flip them to the other side and fry again for 15 minutes or till done.