Design

There is a great possibility of getting a job after interior design but one thing should be taken care of that you should be the best in your field.

No, I don't think so. You can only do it after passing class 12th.

You have not mentioned about your education level. However, if you have completed your 10+2 then following are the good options for you:
1. National Institute of Design
Course Name: B.Des in Graphic Design
Selection criteria : NID Entrance test and+GD and Interview
2. MAEERS MIT Institute of Design, Pun

Hello,
It will be advisable to visit the college or their website for exact amount as on internet the fees tends to change, so that you don't get misleaded.
All the best.

Please refer to the link given below to see what all colleges you can get with this rank:
https://www.shiksha.com/design/resources/nift-college-predictor

Hello,
It will be advisable to visit the college or their website for exact amount as on internet the fees tends to change.
All the best.

After completing Masters of Design from NIFT, following positions are offered by industry. Visual Designer
Design Evangelist
Insight officer
Design Thinker
CSR executive
Trend analyst
Social & Cultural executive
Sustainable Development Officer
Culture anthropologist
User Experience Researcher.

All are best for you. You have to choose one according to your preferences and interest basis.