procurement, migration, and support of microsoft email exchange plan 1 licenses for a period of three years2 microsoft exchange online (plan 1) licenses - first year 3 microsoft exchange online (plan 1) licenses - second year 4 microsoft exchange online (plan 1) licenses - third year 5 comprehensive support for three years 6 migration of emails from zimbra emails (hosted at railtel data center with tentative 5 tb+ size) to microsoft email service 7 onsite support (1 manpower) for minimum 3 months after implementation 8 remote management software. with one agent support for 500 managed devices with mobile device support.