Delhi

A rank of 4776 is good enough to get into Delhi Technological University (DTU) for the CSE branch if you are an SC candidate. The 2023 cutoff for the BTech Computer Science and Engineering programme at DTU was 4876 for General All India category students. The last ranks for the B.Tech Computer Engineering course at DTU for candidates from outside the Delhi region in 2024 were 37,183 for SC.

With your rank, to get computer Science engineering in any college in Delhi is very tough. Top engineering colleges in Delhi will have cutoffs much higher than your rank for the CSE branch. Admission to these institutions with such rank is generally not possible.
You can go for some private colleges. 

Following are the top 10 colleges in Delhi that take admission in B.Tech without JEE and provide the same course structure as of JEE. 

• Jamia Millia Islamia
• School of Engineering and Technology
• Amity School of Engineering and Technology
• Jagannath University
• Delhi Maritime Academy
• Gautam Buddha University
• GB Pant Government Engineering College
• Maharaja Surajmal Institute of Technology
• Delhi Institute of Tool Engineering 
• Netaji Subhas INstitute of Technology

NSUT B.Tech Biotechnology Chances with your OBC rank of 168675 (outside Delhi) might be challenging. The most reliable indicator would be last year's cutoff trends for the same program, category (OBC - outside Delhi), at NSUT. Look for official sources or credible websites. You can search online using terms like NSUT B.Tech Biotechnology OBC cutoff 2023 (outside Delhi). While your JEE Mains percentile of 88 is commendable, it might not be sufficient for this specific programme and category at NSUT.

• Ambedkar University Delhi: Known for a variety of undergraduate courses.
• Indraprastha College for Women: Offers various undergraduate programs.
• Lady Shri Ram College for Women: One of the leading colleges for humanities and Science courses.
• St. Stephen’s College
• these are the colleges where you can apply for B.Sc cource without the need of CUET scores

Sri Guru Nanak Dev Khalsa College is  affiliated with the University of Delhi.And they have the Strong academics Reputation.As for the Year of 2023 the sri guru nanak dev khalsa ranked as 63 or 64. This say that Sri Guru Nanak Dev Khalsa provide the best Education Facilities.

CUET Reservation Policy 2024 is administered by NTA based on caste and ability of the candidates. Candidates with disabilities have 5%, SC - 15%, GEN - 10%, ST - 7.5%, and other backward castes - 27% reservations respectively.As you asked, I don't think there is any reserved percentage of seat for students if delhi in CUET exam. CUET Reservation Policy 2024 is administered by NTA based on caste and ability of the students. students with disabilities have 5%, SC - 15%, GEN - 10%, ST - 7.5%, and other backward castes - 27% reservations respectively.
I hope my answer helps you.I wish you luck for your future career.