It's good that you wan to pursue a certificate course along with your B.Tech Degree course. It can greatly increase your job prospects after B.Tech, and if you complete the course from a good institution and with a good performance, you can get a job just after the completion of the course.
So, here are some top institutions for animation courses in Vishakhapatnam:
SUNSHINE ANIMATIONS TRAINING & PRODUCTION ,
Railway New Colony,
Visakhapatnam- 530 016. Andhra Pradesh