Hi, To apply for Call centre executive job profile, there is not much qualification required. You can apply even after your 12th pass. 

It is a basic profile and with good communication skills is required whether Hindi/English you can get this job. You can look for the profile on various job search sites and you will be called for interviews accordingly.

There are multiple jobs for this profile.

It is suggested till the time you have financial boundations do not go for job at this time. Go for higher studies. But you have to decide what is best for you.

Now that you are a graduate, you can expect a package of 15-20K per month and rest it depends upon your skills.

Good Luck.