What to do if I lost my Mobile Phone ?

SOLUTION : 

1) IF YOUR MOBILE IS ANDROID : GO TO https://www.google.com/android/find?u=0

LOGIN USING SAME GMAIL ACCOUNT ON YOUR GMAIL / GOOGLE OF LOST MOBILE

OR DOWNLOAD Google Find my Device app and login using the same

Using this feature you can ring your mobile , delete data and find it location only if it is connected to internet.

2) even if it is untrackable : 

a) De-activate your sim card calling your customer care like vodafone / airtel etc

b) Lodge FIR in nearest police station 

c) CALL 14422 

14422 is a CEIR PROJECT OF DoT ( Department of Telecommunication where they help you track missing mobile )