UPSC

Well, staying in Patna, people always do think that no one would be able to crack any exam and they would be left with both the legs on two boats at the same time but this is the up-trending apocryphal.
Patna and taking Bihar as a whole has ever since been introducing the maximum numbers of IPS officers through UPSC every year. So, it doesn't mean that we are not having the talent, of course, we are blessed with the talent of working hard and forcing to contemplate the entire country about our labour and our innate talents.
However, Staff Selection Commission (SSC) is one of the easiest exams to crack for UG aspirants or applicants, unlike JEE, CLAT, NDA, SCRA, etc. The biggest flaw that the question paper has in SSC is the repetition of the same pattern of questions every second year or every alternate year and each and every year, B.Sc Academy and Career Planner Institute has been well versed in this exam. They know the exact pattern of questions that are gonna be asked in the exam and trust me they guide you and shape you accordingly. SSC is not hard to crack but once again where there is a will, there is always a way.
When it comes to the preparation of SSC CGL, two coaching centres are the most popular. They are Paramount and KD Campus. It was Neetu Singh who started both of the above-mentioned coaching centres. Paramount is obviously the older one. However, due to some issues with her husband, she started KD Campus. I would suggest 2 methods to decide between the two.
1. Go and take a trial class in both of the institutes and witness their methodology of teaching.
2. Talk to the students who are already enrolled in the institutes about the faculty (this is the best thing you can invest in).
Some other coaching centres that might interest you are:
Career Launcher
Mahendra