They had 4 Technical Interview Rounds (Excluding HR).
1. Basic Discussion about Django and Python and one Regex related problems.
2. System Design Interview
3. Technical Discussion on the product worked on past experiences.
4. Managerial Round
They'll somehow won't provide you an offer and will waste your time in going through all the processes. They need people who don't have any offer and consider them as there last option and only option.