Hello aspirant,
I am here for helping you ....
As per your doubt about taking admission for diploma
In computer science engineering without having any subject back , I am providing you a link below where you can see all about diploma in computer science engineering , about admission process, about eligibility criteria, etc .
Link is given below:
https://www.careers360.com/colleges/d-banumaiahs-polytechnic-mysore/diploma-in-computer-science-and-engineering-course
Intrensically if you don't have any subject back so, I think your chances of getting admission are very positive and it may be easier for you to take admission.
I hope it will help you ..........
For more queries you can upvote me and can ask in the comment box........
Best of luck......