can I take upsc after single sitting degree? and which colleges offer this degree program?
If you are going to do a single sitting degree, then obviously you are eligible for the UPSC CSE examination provided you are doing the program from a Government or UGC recognized college.
To know more about UPSC CSE visit the link below:
https://competition.careers360.com/exams/upsc-civil-services-exam
The most trusted institute that offers this course is DIPS (Delhi Institute of Professional Studies).
For more details visit:
https://dips.ac.in/
I hope this answer helps. All the very best for your future endeavors!