Enable/Disable 'Caps lock' in iPad (iOS6)

Option 1

Go to:

Settings > General > Keyboard > ‘Caps Lock’

To enable, set it to the ‘ON’ position and to disable, set it to the ‘OFF’ position.

Option 2

Double tap the shift key (UP arrow) on either side of the keyboard to enable caps lock (Shift key will have a blue background)

To disable, tap the shift key once.