Freightify Intern interview questions

I applied through internshala app for internship at freightbro logistics after a week i got mail as they want to contact me for telephonic technical round. 1.Next day telephonic round happened as in job description it was mentioned requirement angular 2 .so i was prepared for interview one of there technical expert were on call they asked me about angular questions and then i gave answer and round was for 15-20 min telephonic round. 2.then they told me to make project in angular they sended me the image of project as per image i made the project which i made in 2 days.asper deadline i submitted it through mail. 2 days after i got call by hr that you have been selected before joining please come at office . 3.later when i gone there they took my technical round which was unexpected where the guy asked about many question of angular which i answered and logical question of programming for which i was not prepared . 4. later on internshala i saw in status of my application not selected. This is not the right behaviour i invested my 2 days to making there project and they are showing these unprofessional behaviour. I talked to guy interviewer about my project he was even not knowing about project he was just taking a random interview.not knowing anything