There were three technical rounds, followed by hiring manager round and CEO round plus HR discussions. Each round would be around an hour at max. It was completely a joyful experience. You get to meet the best people in industry. Every one were so polite. The HR's, Hiring managers are so friendly, they help you with every small detail at any time. The whole process took around 7-12 days. It was a wonderful experience and candidates feedbacks are valued.