Micromax Canvas Spark Q380 — Stolen mobile phone

Address:

Sagar, Madhya Pradesh, 470002

I was traveling by train from bhopal to sagar but in the way of train some one catch my phone from my hands and run out from train on the track of mandi bamora (M.P.)
i want to black list that phone right because i save my too much important data on that please help me to save that information please block that phone.
my imei no. is [protected]