Help to root Panasonic P75

Hello ! i am not able to gain root access on my phone i used Kingoroot,kngroot,one touch root and tried desktop versions of all these appa but can't gain and i also unlock my bootloader .. please help anybody !!! Phone details are as follow
Android version 5.1
CPU- Mt6580
Kernel Version- 3.10.72+ Panasonic-kernel@droid#1

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