Thanks to tameem who gave info about Java virtual machine which implement in .Net

Have  a look on it.

IKVM.NET is an implementation of Java for Mono and the Microsoft .NET Framework. It includes the following components:

• A Java Virtual Machine implemented in .NET
• A .NET implementation of the Java class libraries
• Tools that enable Java and .NET interoperability

All about IKVM
http://www.ikvm.net/

The development of a Java VM for .NET
 http://weblog.ikvm.net/

An Introduction to IKVM
http://www.onjava.com/pub/a/onjava/2004/08/18/ikvm.html

Download
 http://prdownloads.sourceforge.net/ikvm/ikvm-samples-0.8.0.1.zip?download

Thanks , Suresh Behera[Microsoft MVP .Net,India]