Hi after trying a lot finally got stock flahable rom for Karbonn A21
Install Drivers for your A21 http://www.mediafire.com/?lbp644l95u33et3
root your phone easily using binary method http://www.mediafire.com/?00k5761unku24cw
get recovery for your A21 http://forum.xda-developers.com/show...php?p=35117356
Copy and paste the zip file in in your internal sd card
Reboot into CMW.
Wipe Data
Wipe Delvik Catch
Select install Zip
Flash and Enjay
Init.d scripts added
Super charger scripts added
LINK
http://www.mediafire.com/?k1w188wzq9va717
Install Drivers for your A21 http://www.mediafire.com/?lbp644l95u33et3
root your phone easily using binary method http://www.mediafire.com/?00k5761unku24cw
get recovery for your A21 http://forum.xda-developers.com/show...php?p=35117356
Copy and paste the zip file in in your internal sd card
Reboot into CMW.
Wipe Data
Wipe Delvik Catch
Select install Zip
Flash and Enjay
Init.d scripts added
Super charger scripts added
LINK
http://www.mediafire.com/?k1w188wzq9va717