Just visit java.com/verify from a compatible browser. If all is fine you will get Congratulations! message.
DEOWB (Data Entry Operators - West Bengal) was started in 2009 as deowestbengal.wordpress.com to help all the DEO/VLEs working under MGNREGA schemes. With times things have changed to this. If you are a DEO/VLE, you are at the right place. This is the ultimate DEO Education Channel..!!!