General Intelligence and Reasoning (DRDO) (Phase -I)

Miscallaneous GK (DRDO) ( Phase -I)

GK like Awards , Important Days, Sports Books and Authors etc

Quantitative Aptitude and Numerical Ability (DRDO) (Phase-i and II)

Number System, Average, Percentage, Profit-Loss, Time and Work, Time and distance, Problems on Trains, SI and CI , Mensuration etc.

English (DRDO) (Phase-II)

Includes error detection , Idiom & Phrases , One word substitution , Fill in the blanks , Antonyms and Synonyms etc.

General Awareness (DRDO) (Phase-I)

General Science (DRDO) (Phase-I and II)