Media equipment technician is the one who  works with various devices designed in audio and visual effects of the film industry, short films, ads etc. 

You can apply for it in different colleges now as you are done with your 12th.

The link given below will assist you on further information regarding the course , colleges, posts. 

https://study.com/articles/Media_Technician_Job_Description_Salary_and_Outlook.html