HSBC Data Stage Developer interview questions

I Have gone for the walk-ins on 9th Nov which was consists of 3 rounds. 1st round was written exam comprises of questions from basic english, quantitative ability and technical questions(Datastage on my part). 2nd round technical interview mostly telephonic interview. 3rd round Hr Interview. Cleared all three. was offered 4.7lpa and was told details will be mailed to me within 2 days but even after more than 10 days they haven't contacted me.