Acting

Yes, it have good scope after class 12th. You can pursue an acting or journalism course after completing class 12th.

Dear Aditi,
Your parents are right at their place. The uncertainty to get acting projects are actually the matter of concern. Unless and until, you are very dedicated about this field and ready to give your 200%, then only enter into it.
Yes, there are entrance exams conducted by various acting schools. However, if you wish to be the best, then appear for FTII - Pune entrance exam and clear it. The chances of getting work after graduating from there are more than any other institute.

For taking acting as a profession one should have the skill of good presentation of ideas. The students can join theater group or any small project.

First of all, you need to complete your 12th standard with any of the streams.

Hi,
You can refer to the below mentioned link:
http://indiatoday.intoday.in/education/story/top-10-mass-communication-colleges-in-india/1/359793.html
All the best.

The choice should entirely depend on your preference. You should choose a career, which you will love to pursue in future also, and you should not have any guilt for choosing it. You should try to analyze pros and cons of both the fields, find out which field you would want to continue, and then decide. But, whatever you chose, you should give your 100% to it, and you will get success.
All the best.

You may join Zee Institute of Creative Art, as this is a better institute to get into.

You may pursue a course from Institute of Motion Art Graphical Image and Cinematography.

Kindly refer to the link below:
http://nsd.gov.in/delhi/index.php/new-admission/