CMSS Private Limited Software Engineer interview questions

Expection was clearly mentioned to HR, Yet 5 rounds of interview process they turn around as say, only limited offer they can give. Even after saying yes, just before few days of joining they revok the offer saying client has made position on hold. Really bad, Can't be dependent on the company.

Round 1: Technical Basics Focus: .NET Core/Framework, C# fundamentals, REST APIs. Experience: Straightforward questions on OOP, DI, and .NET differences. Round 2: Coding & SQL Focus: Hands-on coding (CRUD operations, debugging), SQL queries (joins, indexing). Experience: Practical tasks on query optimization and Entity Framework. Round 3: System Design & Advanced Topics Focus: API/system design, microservices, CI/CD, communication skills. Experience: Real-world scenarios and performance optimization.