Is it a good choice for an engineering graduate to pursue animation?

You can go for animation after engineering but it depends on which branch of engineering you have chosen (Computer science). But, it depends on which institute you get it from and if you go to abroad to study then you will have a high pay scale. And, the most important thing that you need to know is

After B.Tech, many student unable to get jobs so they go for different course to get more preference in their jobs selection so you can go for it. All the best.