I applied through online. The process took 1 day. I interviewed at Data Cluster Systems office(Bengaluru) in February 2018. First round - Technical aptitude. 11 questions out of which 10 were MCQs related to expected output of given code snippet. 1 coding question Second Round - A total of 8 students were shortlisted after first round. We were sent for 1st technical round. Questions were asked mainly based on what was written in resume.