Step3- After this, create form and map this form to feedback.php in odoo.
Use this code in .py file given below
from openerp import api, fields, models, _
business = fields.Many2one('nursery', string='BUSINESS CATEGORY')
Contact = fields.Char(string='Contact Person')
_name = 'nursery'
name = fields.Char(string='Name',size=30)
Step4- Use this code to create form and save file name as I did, feedback_submission.php and put this file in odoo server module also pass the given link to open form in web service in browser and also map all field to relate .py file and feedback.php file.