NO ,diplomaholders are not eligible forUPSCexamination. Youcanopt for B.Sc or Engineeringafter diplomaand in the mean time get yourself through with the syllabus pattern ofUPSCalong with the optional subject.

No. To be eligible for UPSC, you should have completed your Bachelor's degree in any discipline. While there is no specific stream that you should complete your Graduation in, completing Bachelor's degree is a mandatory requirement.

UPSC is a 3 stage   selection process involving Prelims, Mains and Interview which tests your personality test. Prelims has 2 Papers namely General Studies and CSAT.

General Studies has Current Events, History of India and Indian National Movement, Indian and World Geography, Indian Polity and Governance, Economic and Social Development, Environmental Ecology, Biodiversity and Climate Change and General Science.

CSAT has Comprehension, Interpersonal skills including communication skills, Logical Reasoning and Analytical ability, Decision making and problem solving, General Mental Ability, Basic numeracy and Data Interpretation.