[Resolved]  Safexpress — payment issue

I m a vendor, we have deliver some items to safexpress in july at PO date 13 june 2017 we have delivered all material in last week of june . I was trying to call contact Person who deal with us for payment but not getting ay responce from him they are not picking our call or not giving any reply to our mail.. what will i do ?? On present date[protected] I m waiting for him since 1 hour at reception nh8 mahipalpur but again got no response from him I m continuesly calling him but call is not pick by him one of them who introduced to Safexpress is sitting inside in the office and I clearly able to see that person but he is ignoring me and not picking call what we do now the amount is about 7 lakh and I have not got a single penny from Safexpress please suggest me a better option