1telephonic Technical+ 1 F2F technical + 1 Managerial Round + HR Telephonic round is just besic test regarding your past project F2F technical round : also asked about past experience and asked to write some C Code( hysteresis loop) and then make the same in Model. Manger asked about process related questions. HR is just small discussion. Overall its a great experience. And negotiation is not required as they will give best as per your knowledge.