CDS

Combined Defence Services (CDS) Examination is conducted by UPSC twice a year to select officers for the Indian Military Academy (IMA), Indian Naval Academy (INA), Air Force Academy (AFA), and Officers Training Academy (OTA). Candidates undergo service-specific training and are commissioned as officers in the Indian Armed Forces.

Notice Board
Formula of the day
Maths · Differentiation · 9 formulae in the cheatsheet
Trap of the day
sin²θ means (sinθ)², not sin(θ²) — a notation trap that changes the value.
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Quizzes

10 questions · ~10 minutes · instant rank & AI diagnosis

#1

Error Spotting in Sentences Advanced Challenge | CDS

10 Qs · ~10 min
#2

Indian Constitution Fundamental Rights Fundamentals | CDS

10 Qs · ~10 min
#3

Synonyms and Antonyms Usage Fundamentals — Free CDS Quiz

10 Qs · ~10 min