The first stage was online aptitude test . There are 25 questions in total . All questions are divided in 3 sections you cannot go back to previous section. First section is just Reasoning math questions . first section is 12 math question next section is a big big essay and you have to answer 5 questions third section is english question on basic synonyms and fillin the blanks question. Although i got higher marks from my friend my friend got selected. They just selected randomly.