Blanch spinach leaves for 2 - 3 minutes. Remove from hot water and transfer to iced water to retain color and stop further cooking. Then remove and strain out excess water.
Grind to a paste without water. Add bread crumbs, salt, red chilli powder, onion powder, garlic powder. Mix them together and make a dough like mixture.
Keep in refrigerator for 30 minutes to set properly. Then take out and divide into equal portions of lemon size.
Apply oil on palms and make a disc shape from the spinach mixture.
Divide one cheese cube into 4 equal halves. Place the 1/4 of one cheese cube on spinach disc and cover it from all ends. Roll on palms till it turns complete circle and no crack left on ball
Repeat for all balls.
Heat oil in a pan. Deep fry the balls till they turn their color slightly. Remove from heat and place on paper napkins.