I came through consultancy where it took 3 hrs to wind up. First round F2F with HR Self introduction, tell something about your last trip. Second round Aptitude round where 60 questions at least , out of 60 u need to answer at least 40 correctly. After this u need to answer the recorded phone call where a conversation between agent and customer Typing test where at least 30 wpm should be needed with 90 % accuracy Third round HR/ OPS round This is formal round and formal discussions about salary , process, job timings etc