Gazette Notification for Name Change Process
This is a legal process. Which is not as easy to do. As you are thinking.
For your information, let us tell you that there is only one office of gazette notification in the whole of india.
Which is located in delhi. From this office, the gazette name change of all the people is done in the whole of india.
This is a government publication through which all types of official, legal and other information are published.
There are some steps for name change in the gazette. On the basis of which your name is published in the gazette notification.
And only after that you get the gazette notification of your name. Which will be a legal proof of your new name.