P. Sinha
Welcome to Javaranch. We follow some conventions pertaining to User names. The rules are specified at
here . These conventions are strictly followed. There are no Exceptions in this case. In the simplest of terms names are required to have at least two words separated by a space. It would be advised that this be your real full name.
Your User name does not follow these conventions.
It is recommended that you immediately register under a name conforming to the conventions.