UI PEP Technologies IOS Developer interview questions

Applied through naukri and attended interview on mentioned date.till there it is smooth and cleared 1st round ask to come for interview on same day in Skype , as it was too late I refused to come and HR asked me to call for further communication for second round next week as coming days are weekend.After next week day I called HR but haven't received , tried 2 to 55 times not received. I stooped calling later as it is a startup and not interested to call anymore.