Vodafone India — Sim Closing

I had ported my vodafone prepaid number [protected] into postpaid but i had faced a lot of problem during the obtaining my sim like my prepaid sim was closed but i didn't recieve my postpaid sim after a long discussion from executive he told me to visit nearest gallary for postpaid sim i collected my sim from gallary after some days again my sim was closed again execuitive told me to visit gallary i went gallary again again same problem repeated and i did same process as i explained above once again problem i am facing this problem