Thank you so much for giving your time to solve the problem!!! Kudos
The problem got solved ,actually i was not having 777 Permissions on whatever was there on desktop ,so i followed the following steps:
$sudo chmod -R 777 /home/vaibhav/Desktop
Then format namenode ( Only if this does not harm you anyway) and re-start your daemons and followed the same steps to store the data and the directory got created on dektop.