As you want to get the details of scope in government jobs so here is the information of the same for you:

I want to tell you that scope in government jobs is very good

But there is one short coming in these jobs that pay scale is not so good as in private sector

You can apply for PSC depending on requirements, notification for it is released in employment news, keeps it reading.

On than PSC you have lots of opportunity in government sector, you can apply for different job under the ministry of IT & communication, you can also appear for civil services etc.

For get govt job you can fight following exam under UPSC :
1. Civil Services (Preliminary) Examination (In May)
2. Civil Services (Main) Examination (In Oct/Nov)
3. Indian Forest Service Examination (In July)
4. Engineering Services Examination (In June)
5. Geologist Examination (in December)
6. Special Class Railway Apprentices Examination (In July)
7. National Defence Academy & Naval Academy Examination (In April & September)
8. Combined Defence Services Examination (In February & August)
9. Combined Medical Services Examination (In January)
10. Indian Economic Service/Indian Statistical Service Examination (In November)
11. Section Officers/Stenographers (Grade-B/Grade-I) Limited Departmental Competetive Examination (In December)
12. Central Police Forces (Assistant Commandants) Examination (In October)