@Iarale and @manojksingh
It is happening because word press has changed its back-end editor.
you could get back that classic editor by installing a plugin.
refer:
https://wordpress.org/plugins/classic-editor/
for wp-bakery thing:
You can check the setting. please goto wp-admin > all pages > new page > click on the screen options (top-right corner) > check the wp-bakery.
Refer:
http://prntscr.com/lurxxq
this will show the wp-bakery builder.
Still if any issue trigger, please explain the issue with admin credentials in private reply. Also @manojksingh please avoid replying someone else topic, as we cant't ask your private credentials in someone else topic. You can create your own topic.