Non Data Scientist, who never even practiced or heard about the subject will, ask you some random questions, total 7 rounds. And after 7 rounds (telephonic and 2 face to face), they keep you on hold for months as they wait for projects to be signed. And recuriting HRs shamelessly say, it is under process. This big company is taking advantage of talent to ride and being in devloping country no law to expose their hidden agenda and cheap tricks exists played by them.