Workspace Infotech Jr, Full Stack Developer interview questions

I was in a call for interviewing as a Jr. Full Stack Developer at workspace infotech . The interview went preety good and interviewer were convenced by my answers and i was able to give almost 100% question answer correctly . the asked me about salary , joining data and all . and told me they will knock . i it never happened . not even a single mail of rejection or anything . it just disappeared .