Flex Senior Analyst interview questions

I got request online so I applied through it and went to Chennai office for the interview. It was Quite difficult to clear for fresher but moderate to crack the interview once if you prepare about the SCM

Three rounds, Two technical and one HR. All about the previous experience. About procurement and procedures. About SCM and about flex. Difference between direct and indirect procurement. Commodities involved in direct and indirect procurement. Why procurement is important for a company.