Try Following,

See Following example.

__init__.py

import student

__openerp__.py

{
    'name': 'Student  Data Storage',
    'version': '2.0',
    'author': 'Ghanshyam',
    'depends': ['base'],
    'data': [  # data files to load at module install
        'student_view.xml',  
    ], 
    'demo': [],  # demo data (for unit tests)
}

student.py

from openerp.osv import osv, fields
    class student_info(osv.osv):
        _name='student.info'
        _columns = {
            'name': fields.char('Student Name', size=200, required=True),
            'qualification': fields.many2many('education.qualification','student_qualification_rel', 'student_info_id','qualification_id','Education Qualification')
    }
    class education_qualification(osv.osv):
        _name = 'education.qualification'
        _columns = {
            'name' : fields.char('Qualification Name',size=100,required=True),
            'student_id': fields.many2one('student.info','Student'),
    }

student_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <menuitem id="student_main_menu" name="Students"/>

         <record id="student_info_tree_view" model="ir.ui.view">
            <field name="name">student.info.tree</field>
            <field name="model">student.info</field>
            <field name="arch" type="xml">
                <tree string="Student Information">
                    <field name="name"/>
                </tree>
            </field>
        </record>

        <record id="student_info_form_view" model="ir.ui.view">
            <field name="name">student.info.form</field>
            <field name="model">student.info</field>
            <field name="arch" type="xml">
                <form string="Student Information" version="7.0">
                    <group col="4" colspan="4">
                        <field name="name" colspan="4"/>
                        <separator colspan="4" string="Education Qualification"/>
                        <field name="qualification" nolabel="1" colspan="4"/>
                    </group>
               </form>
            </field>
        </record>

        <record id="student_normal_action" model="ir.actions.act_window">
            <field name="name">Student</field>
            <field name="res_model">student.info</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
        </record>


        <record id="education_qualification_tree_view" model="ir.ui.view">
            <field name="name">education.qualification.tree</field>
            <field name="model">education.qualification</field>
            <field name="arch" type="xml">
                <tree string="Education Qualification">
                    <field name="name"/>
                </tree>
            </field>
        </record>

        <record id="education_qualification_form_view" model="ir.ui.view">
            <field name="name">education.qualification.form</field>
            <field name="model">education.qualification</field>
            <field name="arch" type="xml">
                <form string="Education Qualification" version="7.0">
                    <group col="4" colspan="4">
                        <field name="name"/>
                    </group>
               </form>
            </field>
        </record>


        <menuitem id="section_main_menu" parent="student_main_menu" name = "View"/>
        <menuitem id="student_real_menu" parent="section_main_menu" action="student_normal_action"/>

    </data>
</openerp>

Hope this work for you.