B.Com

If you are asking about DRDO's posts as Multi Tasking Staff MS than you are eligible. The eligibility criteria are given below.
1. Educational qualifications : 10th Class pass or equivalent from a recognised Board or Industrial Training Institute (ITI) pass. Candidates must have acquired the EQR as on crucial date of eligibility for the posts they are applying. Those awaiting results of the final examination as on crucial date of eligibility for the prescribed qualification are not eligible and hence should not apply.
2. Age : Candidate must be between 18 and 25 Years of age (Relaxable for SC/ST/OBCNCL/ESM/PWD/WIDOWS/ Divorced Women/ Women judicially separated from their husbands who are not remarried, Central government Civilian Employees, Disabled Defence Services Personnel, Persons Domiciled In Jammu & Kashmir State during the period from 01-01-1980 to 31-12-1989 as per extant government. Of India rules).
3. Crucial date of eligibility : 23rd JANUARY 2020.

The admission in FMS University of Delhi is based on CAT scores. The weightage criteria of different components involve in selection criteria are given below:
1. CAT Score : 60%
2. 10th class : 5%
3. 12th class : 5%
4. Group discussion : 10%
5. Extempore : 5%
6. Personal interview : 15%
Eligibility Criteria for MBA Programme : Candidates applying for admission to the MBA programme must have pursued at least a Bachelors Degree programme after twelve years of formal schooling with at least 50% marks at graduation level (SC/ST: Passing Marks; OBC/PWD/CW: 45% as per the University Rules) or equivalent CGPA. Candidates appearing for the final year examination of Bachelors's Degree may also apply.
So, from the above CAT score, GD and PI have a big contribution (about 85%) in the selection of a candidate. While 10th and 12th marks are about 10% only. So you can get here admission if score well in CAT, GD, and PI.