which topics are important for the written exam?

Hi suneeta, how are you?
all topics are important if you are preparing for such kind of exam. But, sharing some important points with you.
·         Aptitude(Quantitative +Verbal +Technical): This section consists of questions based on data interpretation, graphs, blood relations, statement reasoning, etc. Also, there are questions from basic mathematics like time, speed & distance, algebra, arithmetic, probability, geometry, permutation & combination, etc. Further, there are questions from English language like grammar usage, fill in the blanks, etc. Technical questions are generally from topics like C, C++, Java, OS, etc.
·         Programming: In this section consists 2 questions. One question is of your choice and other question is based on printing some pattern.