Sony Ericsson — Help me track my missing mobile

Address:

Kolkata, West Bengal, 700064

Yesterday (12.05.16), i have lost my sony ericsson cybershot mobile ([protected] with airtel prepaid connection) from my office premises. Model number is c510. I was using this mobile from 2009.
Imei number - [protected]

I have some very sensitive information on my mobile. I want to track / trace and recover the said mobile connection along with data received on my sim.

Please help me to track my lost mobile.
Contact number-[protected]