Unencrypted ‘Top Secret’ data pertaining to these was stored on Sistala’s Hewlett-Packard laptop (given to him by NTRO) which disappeared mysteriously while he was on his way to the Delhi airport in early 2006. Did the information-packed computer fall into the wrong hands? Was it stolen by an enemy agent? Even today, no one knows where the laptop is. If still in enemy hands, it has the potential to inflict immense damage

