No emails delivered to inbox

When the laptop of the obc engineer is on tata/ntro officials are involved in corporate espionage, deleting emails that are delivered in the inbox of the email account, to cause losses. On 24 december 2015 , a mail was delivered at 12.50 am GMT and there was no email delivered again till 3.48 am when the mailbox was open.
How is corporate espionage on a harmless obc domain investor, Paypal account holder a matter of national security