More to follow up with these people and after answering almost all questions in interview, rejected the offer by giving vague reasons. Following up with HR makes most of your time. not much recommended.

The interview process consisted of four rounds, with the majority of the rounds being technical, focusing on SQL, Python, and business intelligence tools such as Tableau and Power BI. Additionally, there was a guess estimation question included to assess problem-solving and analytical thinking. Each round tested different aspects of technical expertise, emphasizing practical knowledge in database management, data visualization, and scripting, alongside logical reasoning and the ability to handle ambiguous scenarios. This combination of questions aimed to evaluate both the candidate's technical proficiency and their approach to real-world business challenges.