Grazitti Interactive interview questions

Round 1(Online Assessment ) In this round they asked 50 (25 aptitude + 25 coding) questions of easy to medium level. Round 2 (Technical Interview) They asked about: 1)JS concepts(generator functions, arrow functions, event loops, callbacks,debouncing and throttling) 2)one easy level DSA question(2 sum in arrays) 3)Frontend and Backend Concepts(CSR,SSR,GIT cycle,JWT,XSS) Round 3(HR round) General HR questions Even after all of this they did not select me, and I can not understand Why? Round 4 (Communication Round Virtual mode) Normal Introduction and General HR questions

First there is resume shortlisting round and as my resume is well structured so i got shortlisted. then there is Technical interview round and HR Round, which obviously i will not clear.