>First 30 minute they asked question related to my experience on 4G/5G . >Questions were totally scenario based and how to optimize the system. Next 30 minute asked to code one problem in C.

First, a recruiter conducts an initial interview to assess the candidate's basic qualifications. Successful candidates then proceed to a screening stage, often involving a phone or video interview. Those who pass the screening are invited for an on-site interview, which usually includes interviews with multiple team members or managers. In some cases, additional interviews may be required, such as technical assessments or presentations, to further evaluate the candidate's suitability for the position.