55% marks should be in each physics, chemistry, maths or overall in these three? for btech eng.??
You can apply for good private universities or institutes who are taking their own entrance exam and having their own admission criteria like:
MANIPAL INSTITUTE OF TECHNOLOGY
LOVELY PROFESSIONAL UNIVERSITY
BML MUNJAL UNIVERSITY
SRM UNIVERSITY etc
You can also try for state level counselling for engineering admission.
IILM UNIVERSITY,GURUGRAM is offering B.tech in computer Science and Information Technology with contemporary computing areas like:
Artificial Intelligence (AI)
Internet of Things (IoT)
You should have overall 55% In PCM subjects for B.tech Enginnering and Individual score is not considered in many of the Engineering colleges.
Hope this helps
All the best.