How to Re-index Form Objects on solr?

# Open Python Shell & Execute

# Importing Model
from axonator.models import FormObject 

# To index all form objects
for formobject in FormObject.objects.filter():
     formobject.index_on_solr()

# To index all form objects of a form
for formobject in FormObject.objects.filter(form_id=FORMID):
     formobject.index_on_solr()

# To index all form objects of a app
for formobject in FormObject.objects.filter(form_app_app_id=APP_ID, form_app_version=APP_VERSION):
     formobject.index_on_solr()