Engineering Services Examination (ESE)
Purpose - Selects candidates for Indian Engineering Services (IES). Various engineering positions in government departments
Eligibility - B.E. / B.Tech. (relevant discipline)
Age Limit - 21 to 30 years
Source - https://upsc.gov.in/apply-online
Combined Medical Services Examination (CMS)
Purpose - Selects medical professionals for various government services
Eligibility - MBBS Passed/ Cleared Final Exam
Age Limit - Maximum 32 years
Source - https://upsc.gov.in/apply-online
Combined Defence Services Examination (CDS)
Purpose - Selects candidates for admission to defence academies, e.g. Indian Military Academy, Indian Naval Academy, Air Force Academy
Eligibility - Graduation in any discipline.
Age Limit - 20 to 24 years
Source - https://upsc.gov.in/apply-online
National Defence Academy (NDA)
Purpose - Selects candidates for the National Defence Academy
Eligibility - 12th Pass
Age Limit - 16.5 to 19.5 years
Source - https://nda.nic.in/
Indian Naval Academy Examination
Purpose - Admission to the Indian Naval Academy
Eligibility - 12th Pass with Science Group
Age Limit - 17.5 to 21 Years
Source - https://www.joinindiannavy.gov.in/en/page/selection-procedure.html
Special Class Railway Apprentices (SCRA)
Purpose - Selects candidates for Mechanical Engineering in Indian Railways
Eligibility - 12th Pass with Science Group
Age Limit - 17 to 21 Years
Source - https://upsc.gov.in/apply-online
Indian Forest Service Exam (IFoS)
Purpose - Selects candidates for the Indian Forest Service
Eligibility - Bachelor's degree in agriculture, forestry or engineering
Age Limit - 21 to 32 years
Source - https://upsc.gov.in/apply-online