Vodafone India — Given documents not submitted to convert my number prepaid to postpaid

Address:

Gurgaon, Haryana

Your field executive collected all documents to convert my prepaid to postpaid Vodafone mobile number on Monday morning, He committed it will be done in 2 working day, still passed two days I am trying to contact them they are not picking my phone. We don’t have any receipt from their side, when I visited to Vodafone Store Gurgaon, they told me that they did not get any document. am calling them since morning but they are not picking any call. Could you please confirm how can I contact them and raise complaint against the same.