Interview Process stages:
Written test
Personal Interview
Written Test : CAT type written exam with LR, DI, QA questions. Minimum cut off has been set. Once the cut off is cleared then next round is PI
PI : Basic knowledge of marketing and statistics like table %, row %, col % and difference in between the three. General marketing questions to see general business acumen
HR is very lazy and laid back so follow up with the HR. They conduct one round and then vanish away.