Through CGL you can enter into a gazetted posts (Group-B and C) which are central jobs. They have much scope than state jobs (Groups) in promotions, salary hikes etc. and there is chance to work all over india. You can get good promotions based on your performance. And all india competition also is there for CGL exam it has three tiers and no interviews
and in this non gazette posts are also there
high salaries in central govt jobs
many benefits like HRA, TA, DA, Lonas facility etc
notifications come every year and many posts are there
For all SSC Posts Details Click the link below
http://sakshieducation.com/SSC/Story.aspx?nid=99751&cid=20&sid=425&chid=854&tid=0
Group 2 is state level job. it also contains both gazette and non-gazette jobs
it has less scope for promotions salary hikes etc. only statewide competition is there
notifications may come for every three or four years and fewer posts are there
less salaries than central govt jobs
many benefits like HRA, TA, DA, Loans facility etc.
Group-II and CGL Posts are some-what equal cadre but CGL is the best
For Any queries contact again