After sending my cv to HR, got a call fron concerned HR, they ask me come for an interview, i went there and it was great experience. After 1st interview they asked me to stay for 2nd and 3rd interview. 2nd interview done at same day and again they called me for 3rd interview. 2nd and 3rd interviews were formality only. After all thrtee interviews they send me offer letter and joing date.