I have attended the hackathon in Hacker Earth Through that HR contacted me. I Have attended three rounds of Interview. They have rescheduled the interviews several Times.Mostly the interview is focused on DSA,OOPS,SQL,System Design .After the round 3 the HR didn't contact me.when I make a call to her she says I am not infront of laptop.I haven't got any update even after one month completion of three rounds.