How to install ClockWorkMod Recovery for Android ONE

The Android ONE is released in India for around 6.5k by Karbonn, Spice and Micromax and gained lot of popularity due to official declaration on the Android blog. After the release of Android one, many tried to root the phone for unlocking the potential. And here is ClockworkMod recovery which is essential before rooting the phone.

/* * Your warranty is now void. * * I am not responsible for bricked devices, dead SD cards, * thermonuclear war, or you getting fired because the alarm app failed. Please * do some research if you have any concerns about features included in this recovery * before flashing it! YOU are choosing to make these modifications, and if * you point the finger at me for messing up your device, I will laugh at you. */

Requirements:
Any Android One device with Unlocked Bootloader


Unlocking the bootloader:
Reboot to fastboot mode
Execute following commands

fastboot oem unlock fastboot format userdata

Note: You will lose all data of your's after this

Install recovery through fastboot:
Download the recovery.img from here
Reboot the phone into bootloader/fastboot mode

adb reboot bootloader

Flash the recovery image and reboot

fastboot flash recovery recovery.img

fastboot reboot

Note: In the install menu, do not select /sdcard because we don't have internal storage which is meant for anything other than installing apps. We only have external sd which is /external_sd which you have to select. This applies for backup and restore and every other operation involving the sdcard.