Hello Abhigyan Saha, Yes chosing animation as career has a more scope in future in comparision of anothor field like:
Animation is one of the most sought-after streams in India these days. More and more demand of animators is emerging in various mediums such as movies, television, video games as well as industrial machines

A job in animation can be defined as the art of breathing life to a character or an object. A blend of entertainment industry and technology, it is concerned with design, drawing, layout and production of graphically rich and attractive multimedia clips.

Here's a list of probable job roles in animation:

• 2 D Animator
• 3 D Animator
• Key Frame Animator
• Image Editor
• Modeller
• Character Animator
• Texture Artist
• Layout Artist
• Lighting Artist
• Story Board Artist
• Background Artist
• Clean Up Artist
• Rigging Artist
• Rendering Artist
• Digital Ink and Paint Artist

Hope it is helpful for you :)