How to get the power consumption of android application individually?

How to get the power consumption of android application individually?

References

Reference NO 1

http://stackoverflow.com/questions/12581333/android-app-power-consumption

Reference NO 2

http://lifehacker.com/5913654/can-anyone-recommend-a-good-android-app-that-can-analyze-how-much-battery-my-running-appsprocesses-are-consuming

Reference NO 3

https://play.google.com/store/apps/details?id=com.agrvaibhav.AppUsageTracking&hl=en

Reference NO 4

https://source.android.com/devices/tech/power.html

Reference NO 5

http://android.bigresource.com/Android-Power-consumption-profiling-of-application-kByDOIdwv.html

Reference NO 6

http://kschang.hubpages.com/hub/Review-of-Battery-Saving-Apps-for-Motorola-Droid-and-Android-2x-devices

Reference NO 7

http://www.wikihow.com/Save-Battery-Power-on-an-Android

Reference NO 8

http://www.pocket-lint.com/news/110621-78-android-tips-beginners-set-up