Capgemini Frontend Developer interview questions

The worst interview process ever I have faced. Because of these company HR, I have put down papers due to these useless HRs and my career is in danger. After the 1 round of interview, we get a call from hr that, you are selected. Later they ask you to join in 15 days. After the submission of documents, they won't come back to us and never responds to our calls. Mtf....