First they given aptitude test,After that technical round ,Next Face to face interview happen , They asked Tell us a bit about the latest project you worked on. Was it completed successfully? Explain how you contributed to its success and how you handled any obstacles you may have run into

1) 1st round was in Kolkata where GD and coding questions were asked. 2) after 2 months online interview where basic questions were asked. Then no contact from them regarding the result. I mailed them multiple times, but never heard back