If you want to be a librarian then you may go for any of the streams in your UG course. After that you can go for a specialization course in  Library Sciences or  Library and Information Sciences from any university. For most of the cases, most university offers courses on Library Sciences. Some of the skills required:

• Digital Literacy
• Computer Skills
• Organizing Skills
• Communication Skills
• Analytical Skills

To know more about Librarian visit the link below:

https://www.careers360.com/careers/librarian

I hope this answer helps. All the very best for your future endeavors!