Tata Consultancy Services GCP Data Engineer interview questions

Interview process went good they ask very good questions and it is good techincal discusssion but manager is not the person who can make call of hiring the person But the HR , They have handful of people and can compare the salary expectation who comes for cheap they will release the offer accordingly in my case i have completed all the documentation finally they said they find another candidate with less salary expectation so they denied offer at the end of interview process although the process went smooth