National Institute of Fashion Technology, Delhi

Accessory design program prepares design professionals with embedded fashion knowledge, to offer innovations across myriad platforms spanning jewelry, crafts, personal accessories, soft goods and work gear. Accessory Design program is a career based education that is relevant today and has the ability to address the changing future scenario. The eligibility criteria of B.Des AD of NIFT is given below.
Eligibility criteria: 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.
Age : Upper age limit is 23 years (5 years relaxable to SC/ ST/ PWD categories)
The online registration for NIFT courses started in the month of October every year and the entrance exam will be conducted in the month of January. Hence plan accordingly. visit https://nift.ac.in/ for more details.

The eligibility criteria of M.Des. from NIFT is given below.
Educational Qualification for Masters Programme in Design :- Undergraduate Degree in any discipline from any Institute /University recognized by law in India
or
Undergraduate Diploma of minimum three years duration from NIFT / NID.
So from above, If you have completed the three year of diploma from NIFT/NID. than can be eligible for M.Des course but can not get admission in final year of M.Des course.
Further admissions in M.Des courses are based on an entrance test conducted by NIFT.
The eligibility criteria of B.Des is 10+2 or 3 or 4-years diploma recognized by AICTE or a State Board of
Technical Education. So B.Des course is required 3-4 years of Engineering diploma courses of AICTE/State board of technical education. Hence you are not eligible for this course if not completed 10+2. The admissions in asked courses are also done on the basis of NIFT entrance exam.