HCLTech Senior Software Engineer interview questions

Interviewer is 4 years of experience. He asked me about basic questions and asked me to write a c++ programme with Classes and also asked me tell what ever you know in c++. How doesn't how to interview a SSE level candidate. Doesn't even know what questions to aske

2 technical rounds in which they ask about your project and technical stuffs. They will ask about your current skills and skills you worked so far as well as whatever mentioned in the resume