Android - Is there any Netcat like application available in Android OS by default, like most of the Linux systems?

Not natively. You first need to install a Terminal application like "Termux" https://play.google.com/store/apps/details?id=com.termux&hl=en then "Busybox" https://play.google.com/store/apps/details?id=stericson.busybox&hl=en. Here is some info on all of the tools included in the Busybox package https://www.busybox.net/downloads/BusyBox.html

There are also several other Netcat style applications available from the Google Play store - https://play.google.com/store/search?q=netcat&c=apps&hl=en

In recent Androids (e.g. Nougat and later), you don't need to install busybox for running netcat; it is enough to get a terminal and then type:

toybox nc [options]

and you will have the usual netcat functionality.