Can somebody help me how to stop Lazy Initialization at runtime
For example
If i had mentioned lazy='false' and some part of my program i required to stop loading collections at runtime.

I think it's impossible...

Hibernate will load collection automatically so as you set lazy=false

why you dont set it true ...U can init collection at runtime

You can have lazy="true" and either use the FETCH keyword in HQL or do Hibernate.initialize() in order to force initialization of your collection.

HTH
Ernst