I applied online. I interviewed at Tata Consultancy Services (Letterkenny) in Feb 2026
Interview
I think it was technical and they really grind you to get the answers. Though it was a good experience as the panel was very helpful and supportive and helped during the interview as well.
I applied online. I interviewed at Tata Consultancy Services in Apr 2024
Interview
Two rounds of interviews
First Round:
Technical Questions: End-to-end Power BI concepts, Import Mode vs Direct Query Mode, DAX, RLS, Incremental Refresh, Power Query Editor, SQL Queries, Data Modelling, and Power BI services concepts.
I applied online. The process took 2 weeks. I interviewed at Tata Consultancy Services
Interview
Consists of two technical rounds of interview followed by an HR round.
1st round: Technical questions, Mostly DAX, Data Modeling and Power Query.
2nd round: Scenario based, previous project based questions.
Interview questions [1]
Question 1
Explain Incremental refresh.
Difference between ALL and ALLEXCEPT.