Vodafone India — Deactivited my sim without my permission

When i done a call to custumber care to ask about internet the excicative was not able to answer my question so after that call end i had recived a messagein my mobile the message was ( HI YOU JUST SPOKE TO UTTAM LAMBHAJI KIRWALE LET US KNOW IF YOU WERE HAPPY WITH THE EXPERIENCE. REPLY TOOL FREE WITH Y OR N) so because i was not satisfied with that call so i replied no after a 5 minute my sim card has been deactivated when i called again to custumber care to ask why my sim has been deactivated they are telling me that you said to deactivated sim but i never said like this i dont know now what to do please help