There's are 1 to 2 rounds of interview depending on process. But before appearing for interview you need to clear the pre interview round which is assessment. There are total 2 stages in assessment round.. 1st is typing test and 2nd is aptitude test. These are conducted in the office itself and if you clear it than only you'll be taken ahead for interview with HM.

Greeting and introduction: Typically, the interviewer will greet the candidate and introduce themselves, and the candidate will do the same. Small talk: It is common for the interviewer to engage in some small talk to help put the candidate at ease and build rapport. Review of the candidate's resume: The interviewer will often ask the candidate to walk through their resume to get a better understanding of their education, experience, and skills. Discussion of company culture and fit: The interviewer may also discuss the company culture and values to determine if the candidate is a good fit for the organization. Candidate questions: The interviewer will typically give the candidate an opportunity to ask any questions they have about the job, company, or culture.