According to HR information she said there will be two rounds only, what I experienced is there were 30-40 candidates was there, they all come for interview for diffrent-2 roles that event they called Hacathon, First round was developing Application within 3 hours, after 2 hours second round was there in that tech lead asked javascript questions , i given all the correct answers, after that one of the team members said we will give feedback on mail for further process. In twitter, I saw the same post on twitter with all candidates photos & I confirmed that was not a hiring process it was only an event called hackathon.