Pls Help Got stuck in recovery mode - Lenovo A6000 topic

Hello Everyone.

I've Rooted My Lenovo A6000 using ADB.

I was converting an app as system app using TianiumBackup.
Suddenly phone switched off in between the process.

Now its not switching on and showing only first white screen Having Labeled as "Lenovo"..."Powered by Android"..

if i go to recovery menu.. only 4 options showing...
---reboot system now
---apply update from ADB
---wipe data/factory reset
---wipe cache partition
---apply update from sdcard..

i've done wipedata and wipe cache... still its not starting from reboot..

i dnt have ROM Of lenovo A6000... i tried to install Cyanogen Mod ROM from Option apply update from sdcard ...
the process not completes and gives error saying---
"E: footer is wrong"
"E:signature varification failed...installation aborted"

i dnt know whether my phone bricked or not...

pls Help me