Here's HOW To Flash 4.4.2 Stock ROM Through Recovery (JB n KK)
-Make Sure You've Flashed CTR Recovery on Your Device (See Post 1 & 2 for More Details)
-Download Flashable Zip of Stock 4.4.2 ROM from (HERE
-Download SuperSu Zip from (Here
-Place Both the Files in Your SD Card, Goto Recovery Mode
-In Recovery Mode Go To Install ---> Install from SD ----> Select the ROM File and press YES to Flash it and Do the Same for the SuperSu Zip after Flashing completes
-Reboot and Enjoy !!!
for the Stock 4.4.2 Zip