Capgemini Python Developer interview questions

Had got 3-4 mails and 2 phone calls from their hiring team to schedule an interview after which I did. Interview was easy and got a call on Sunday! That I was selected and need to submit my documents and after 10-12 days they will issue me the offer letter have tried calling them and mailed also no one is picking up the call. This is disappointing if any issue is there or I m not processed further they should have the audacity to inform.

interview process took a day. But the interviewer was not interested in taking interview so she just ask one question and end the interview. So unprofessional behavior. They could have told me if they were not interested in taking the interview.