@appalarajubondalapu Can you tell me the filed in which you have opted your B.Sc degree like Maths, Chemistry physics etc.
Generally after B.Sc if you looking for job in Govt. sector than you have the following options which most of the students try.
You can prepare and join the folloing Civil Services
and many others. For these exam you need to appear for Civil Services Exams conducted by UPSC.
You are also eligible to apply for Bank Jobs in various banks. For this you have to appear for IBPS (Institute of Banking Personnel Selection) Common Written Exam for the recruitment various public sector banks.
There are many other entrance exams conducted by SSC, State PSCs and in Teaching Sector. All depends on your area or interest, educational qualification and performance in entrance exams.