HTML, or Hypertext Markup Language, is the main language used for building websites. HTML provides the framework for web pages. If you want to make a career in web designing and development then you have to learn HTML. 

React JS is a popular tool for enhancing website appearance and functionality. It allows developers to create reusable components, making updates and changes quickly.

To create an app, you need a Full-stack software developer who knows MEAN or MERN technologies. These are based on JavaScript and used to make powerful apps.To become a Full-stack expert, you can take an online training course in India. 

Python is an interpreted, high-level, general-purpose programming language. Created by Guido van Rossum and first released in 1991, Python's design philosophy emphasizes code readability with its notable use of significant whitespace.

Robotic Process Automation (RPA) is an emerging form of technology that automates administrative processes using software robots or artificial intelligence (AI) agents. 

Robotic Process Automation (RPA) is a transformative technology that alleviates the burden of manual, repetitive tasks, enabling individuals to unleash their potential. However, the success of RPA relies on skilled professionals who can design, build, manage, and analyze bots, aligning RPA with broader business strategies.