This repo will contain tools and commands for flashing factory images (via fastboot) for all YU devices.
YU YUREKA: KITKAT Flashing Steps & Files [here] (https://github.com/YUPlayGod/factory-image-flash-tools/tree/kitkat-windows-flashtools)
The adb and fastboot tools are distributed by Google, as part of Android SDK. There are licensed under Apache 2.0 by Google, and can be redistributed under a compatible license.