Epsilon Developer Senior interview questions

Process started with one face to face round.asked just front end development questions and no questions on c# mvc etc.told me to wait after the round..after 1 hr I thought let me check with hr..what happened..when is my 2nd round going to take place.then she told..the feedback is not positive.so totally wasted my half day for this.they don't know what to hire and why to hire..just for the sake they are taking Interview