•   Yes , absolutely you can get placed in abroad holding a degree from India .
• First you have to look out for job vacancy through job portals or company website and apply for it , if the company is hiring foreigners.
• If you meet the requirements of the company you may receive a call . Incase you clear the interview and shortlisted , company will do all the paperwork for you and ofcourse you should hold a valid passport and apply for work visa of that location where your job is. 
• For freshers it is usually hard to get placed abroad , but some work experience will help.

Yes you can get international jibs via campus placements as well as offcampus route.

You need to have passport and valid graduation degree drom recognised University. Studnets can apply for overseas jobs via career portals and need to appear for interview as per company's location.