Do this again...!!
Note: Disable Kies, Antivirus, Firewall.
Install Samsung mobile drivers on PC. In phone's settings, tick mark the "USB Debugging option".
Now switch it off. Press "vol.down & home & Power buttons" together to enter "Downloading mode"...
Connect ur phone to PC. The COM PORT MAPPING turns yellow which indicates that ur phone is successfully connected.
Now place BENI_v1.0.ops under OPS field(you'll see GT-S5670 on Odin's title bar) & place ".tar" recovery file under One Package.
Hit Start... Don't do anything until u see "PASS" message.
Ur phone will reboot in the meantime. When it finished booting,...switch it off again. Then press "Home & Power Button" together & u will enter CWM Recovery.