Pre board 1 Paper class 10
https://drive.google.com/file/d/1S829yAhvi3v128hQTbVOzbjk5rR597wF/view?usp=sharing
Pre board 2 paper class 10
https://drive.google.com/file/d/1qjZA5LKDbezJE4Wqzs7Ty9r4iFsAKWQl/view?usp=drivesdk
Pre board 1 Paper class 12
https://drive.google.com/file/d/11YuEusRMpnKwDOgkjlPscYzrthJkthkA/view?usp=sharing
Pre board 2 paper class 12
https://drive.google.com/file/d/1pb5m04uIqNhxyqGXWsB6v4mSWFBAkcOA/view?usp=drivesdk