Carborundum dust, available in different grades, is used to grind and prepare the litho stone. This process smooths the stone and removes any irregularities, ensuring an even surface for drawing and printing.
| LIST I | LIST II | ||
|---|---|---|---|
| A | Krishna Reddy | I | Oleography |
| B | Sanat Kar | II | Serigraphy |
| C | Moti Zharotia | III | Viscosity |
| D | Raja Ravi Varma | IV | Wood intaglio |