Hi,

Yes, you can do.

The academic criteria of Computer Science & Engineering is divided into three courses/programmes - Diploma courses leading to the polytechnic diploma of 3 years duration. UG courses leading to the B. Tech (Bachelor of Technology) degree of 4 years duration.

So, yes you can  do Diploma polytechnic in Computer science and engineering.

You can pursue diploma in engineering after you 10+2 and also after your 10th too, diploma in engineering is of 3 years , after completing your diploma in engineering, you will get direct admission in 2 year of b.tech, you can pursue diploma in any of the streams, there are many some of them are listed below -

1. diploma in computer science engineering

2. diploma in civil engineering

3. diploma in mechanical engineering

4. diploma in electrical engineering

5. diploma in textile engineering

The average fee structure of this course is around INR 30k-1 lakh , there will be total 6 semesters ,admission will be done on the basis of merit.

Hope this helps.

Good luck.