Root Moto E [Guide]

Procedure:
.

1. Download mfastboot-v2 extract its content and use that for unlocking Bootloader.

2. Unlock your bootloader from HERE

3. Download The TWRP recovery from here(thread) or here (Goo.im) rename it recovery-twrp.img and move it in the same folder as of step 1.

4. Download The SuperSU from here(thread) or here (chainfire.eu) () and copy it into the root of your internal memory!

5. Connect your phone to PC and Reboot to bootloader by pressing VolumeDown+Power button for about 6-7 seconds.

6. Go to the directory in step 1, Do Shift+RightClick in empty space in the folder without selecting anything, Select Open a command window here.

7. Run following command:

fastboot boot recovery-twrp.img

If facing errors refer to TIP No. 2 and 3.

8. Now touch doesn't work in recovery straight away, so wait 60  seconds without touching the phone, The phone screen will go blank.

9. Press power button and do swipe to unlock to get your touch working again! As Motorola released source code for the kernel, @cybojenix has fixed the touch issue, you can skip to step 10 directly!

10. Select Install, scroll down and
find the SuperSU Zip downloaded in step 4.

11. Swipe to confirm, wait untill the flash is complete and then select reboot, to boot into your phone which is rooted now

12. Check your app drawer, There
should be SuperSU installed.
Congratulations you are
rooted!
.
*Note:

1. Downloading things from the thread link is a better option as the hotlinks may get outdated Thread links will not!

2. If you want to install twrp rather then just booting into it for once, you can use following command to flash it permanently:
fastboot flash recovery
recovery-twrp.img

3. If stuck on Boot Logo of Motorola (blue M), @ JerryGoyal has provided a Thread Here to solve the problem using CWM instead of TWRP.

4. According to the method you can download CWM and Rename it to recovery-cwm.img in place of TWRP in step 3. Execute other steps the same.

5. And in step 7 Replace
the given code with:

fastboot flash recovery
recovery-cwm.img

6. In CWM Touch doesn't Work to scroll Use Volume Buttons and Use Power Button to select the choice.

7. In Step 10 you would
select Install from sdcard.

8. If you do something wrong and stuck somewhere, The stock firmwares are available for restoring.
Restoring Back to Stock Rom [Moto E] [Guide]

Reply if any issues! I'll try my best
to help!