Publicis Sapient Senior Manager, Technology interview questions

1st there is a screening call, which is rescheduled multiple times, then there is an assignment which has to be completed immediately regardless of your current work schedule if not you will be tormented by the HR team like credit card/personal loan offer calls, post this there will be a telephonic interview, which is again rescheduled multiple times, however they will ask you to solve a code problem while on the call and if it takes longer they do give you some more time, but once you complete it and submit it, there is no response. Silence is golden. You get an automated email from Sapient saying thank you and when you try to contact the HR personnel who tormented your life for over 2 weeks will not respond either. I think all companies should focus on maintaining a work culture inside and outside their business.