Hi aspirant

If you want to prepare for SSC Cgl then I want to suggest you to go for B.Sc (Hons) because you've already mentioned that you're not interested in private jobs therefore instead of putting your efforts in B.tech for four years, you'll get a good chance to prepare for the exam while doing your graduation.

Also, your concepts will get more clear as you go for higher studies and this will help you for the competitive exam. To know more about the SSC Cgl exam pattern and syllabus, you can check the link provided below -

https://competition.careers360.com/exams/ssc-cgl

Thanks