Revert Back to Stock Kitkat

Pre-requisites

1. Old Kitkat stock rom.
2.TWRP 2.8.6.0
2.Faith and patience.

Steps

1. Download the zip from here
2.Open the stock kitkat in Winrar
3.Paste the files in zip downloaded from above to corresponding places.
Like system folder and META-INF in root of archive
4.Flash this edited stock rom in twrp after factory reset.
5.Wait till installation completes and let it reboot.

Voila ...You are on Kitkat now.