Hai Friends ,
    First I thank everyone for such good support for newbies . I have Question regards name_get() . This is my sample custom code .Please let me know how to pass value for context (for many2one field i like to display to email instead of title) .

Notebook :
1. __init__.py
   import notebook
2.__openerp__.py
{
    "name" : "notebook",
    "version" : "0.1",
    "author" : "Prakash",
    "website" : "http://www.prakash.com/",
    "category" : "Generic Modules/Others",
    "depends" : ["base"],
    "description" : "Simple demo module",
    "init_xml" : ['notebook_view.xml'],
    "demo_xml" : [],
    "update_xml" : [],
    "active": False,
    "installable": False
}
3.notebook.py
 from osv import fields, osv
 class notebook(osv.osv):
    _name = "notebook"
    _description = "Simple Notebook"
    _rec_name = 'title'
    _columns = {
        'title' : fields.char('Title', size=30, required=True),
        'note' : fields.text('Note'),
        'note_date' : fields.date('Date'),
        'email': fields.char('Email', size=240),
    }
    def name_get(self, cr, uid, ids, context=None):
        if context is None:
            context = {}
        res = []
        for record in self.browse(cr, uid, ids, context=context):
            email = record.email
            title = record.title
            if context.get('email'):
                email = "%s <%s>" % (email, record.email)
                return res
            res.append((record.id, title))
        return res

notebook()

 4. notebook_view.xml
    <?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="notebook_tree_view">
            <field name="name">notebook.tree</field>
            <field name="model">notebook</field>
            <field name="type">tree</field>
            <field name="arch" type="xml">
                <tree string="Notebook">
                    <field name="title"/>
                    <field name="note"/>
                    <field name="note_date"/>
                </tree>
            </field>
        </record>
        <record model="ir.ui.view" id="notebook_form_view">
            <field name="name">notebook.form</field>
            <field name="model">notebook</field>
            <field name="type">form</field>
            <field name="arch" type="xml">
                <form string="Notebook">
                    <field name="title"/>
                    <field name="note"/>
                    <field name="note_date"/>
                    <field name="email"/>
                </form>
            </field>
        </record>
        <record model="ir.actions.act_window" id="action_notebook_form">
            <field name="name">notebook</field>
            <field name="res_model">notebook</field>
        </record>
        <menuitem name="NotebookParent" icon="terp-project" id="NotebookParent_menu"/>
    <menuitem name="NotesChild" parent="NotebookParent_menu" id="NotesChild_menu" />
        <menuitem name="Header" parent="NotesChild_menu" id="Header_menu_mainform" action="action_notebook_form"/>
    </data>
</openerp>



monitor:

1. __init__.py
    import monitor
2. __openerp__.py
{
    "name": "monitor",
    "version": "7.0",
    "depends": ["base"],
    "author": "author",
    "category": "category",
    "description": """
    This module provide : test
    """,
    "init_xml": [],
    'update_xml': [],
    'demo_xml': [],
    'installable': True,
    'active': False,
    "data" : ["monitor_view.xml"]
}
3. monitor.py

  from osv import fields,osv

class monitor(osv.osv):
    _name = 'monitor'
    _columns = {
            'name' : fields.char("name" , size = 10 , required = True),
            'email':fields.many2one('notebook', 'email'),
                    }
monitor()

4.monitor_view.xml
 <?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
               <record model="ir.ui.view" id="monitor_form_view">
                <field name="name">monitor.form</field>
                <field name="model">monitor</field>
                <field name="type">form</field>
                <field name="arch" type="xml">
                    <form string="form_monitor">
                        <field name="name" select="1"/>
                         <field name="email" context="{'email':email}"/>
                    </form>
                </field>
            </record>    

        <act_window name="monitor"
            res_model="monitor"
            src_model="monitor"
            id="monitor_id"/>
    <menuitem id="one_id" name="one" />
    <menuitem id="two_id" name="two" parent="one_id" />
    <menuitem id="three_id" name="three" parent="two_id" action="monitor_id"/>
    </data>
</openerp>

Actually I like to display email instead of title (many2one) , but still it getting title as display for many2one . I don't know how to pass value for context .Please help me to move further . And once again i thank everyone .