Eligibility criteria for Bachelor of Design is:

1.Must have completed 10+2 from any recognized board.

2.Must have secured an aggregate of 50% in 10+2.

Top colleges offering B.Des are:

1.NIFT Mumbai 

2.NIFT Delhi

3.National Institute of Design,Ahmedabad 

4.International Institute of Fashion Design,Mumbai 

5.International Institute of Fashion Technology,Chandigarh 

For further information you can refer this link:

https://design.careers360.com/articles/nift-eligibility-criteria

So I hope you find this helpful 

Thank you 

Good luck.