Design

Digital design is not explanatory. Presently most of the leading Institutes like IIT-Bombay, IIT-Hyderabad, IIT-Guwahati, NIFT, and NID are offering the following B. Des courses after 12th as under.
1. Animation and film design
2. Apparel Design
3. Ceramic and Glass Design
4. Digital Game Design
5. Film and Video Communication
6. Graphic Design
7. Furniture and Interior Design
8. Information Design
9. Interaction Design
10. New Media Design
11. Photography Design
12. Textile Design
13. Toy and Game Design
14. Transportation and Automobile Design
15. Universal Design
16. Industrial Design
So you may select any one course from the above list. The best gateways for design courses admission are the Undergraduate common entrance exam for Design UCEED NIFT and NID. The eligibility criteria for the above courses is varying, however, class 12th with PCM can be the ideal eligibility criteria for all courses as mentioned above.

B.Des eligibility criteria of NIFT is given below.
1. Qualifying Age: Maximum age should be 23 years as on 1st October, 2019. The upper age limit may be relaxed by a period of 5 (five) years for candidates of Scheduled Caste/Scheduled Tribe/ Person with Disability (PWD) categories.
2. Educational qualification for Bachelor of Design (B.Des) Programmes (Fashion Design / Leather Design / Accessory Design / Textile Design / Knitwear Design / Fashion Communication) : The +2 level examination in the 10+2 pattern of examination of any recognized Central/State Board of Secondary Examination, such as Central Board of Secondary Education / State Board New Delhi, and Council for Indian School of Certificate Examination, New Delhi.
So from above age criteria is very important. The Gap of 5 years after 12th is not a big issue because you have completed your graduation during this period. So you can be eligible if meeting the age criteria as above.
Further you are also eligible for M.Des course of NIFT because there is no age restriction for M.Des course. While the eligibility criteria is Graduation in any discipline. The admission in M.Des are also done through NIFT entrance exam.