Idea Cellular — postpaid to prepaid conversion problem

Two times suffers / irritated for getting Postpaid to Prepaid sim.
1) Two month ago due to unnecessary VAS services started and given extra bill.(This happens only we using INTERNET in POSTPAID sim & never happens when we use internet in PREPAID sim). So i want to change from Postpaid to Prepaid & given request in CRS Idea Store at Fatimanagar.
Customer representative said firstly prepaid sim not available next week u will get 2 times approached and finally sim available then after 6 days ur sim converted from postpaid to prepaid after seven days i called customer care & they said THERE WAS NO ANY REQUEST for convert sim so i again approached to CRS store (Home to idea store daily heavy traffic 20-25min required time for reaching CRS store then parking 10rs every time, THEN more than 15 min waiting for talking customer representative.
AFTER this around 1hrs journey no sitting arrangement while talking to customer representative & then HAMANE REQUEST BHEJI HAI HO JAYEGA etc etc irritating arguments then FINALLY by request from my-side checked in system and then due to some SOFTWARE error request cancelled so again send request then again repeat this written paragraph parking 10rs etc and FINALLY 1st sim Converted in PREPAID..ssssss

then now 2nd sim...

Same repeated all this..due to unnecessary VAS services started & strictly after using 4G data in 4G mode only toooooo much bill given and said when 4G network not available we give 3G /2G network even after u used in 4G mode...WHAT AN IDEA!!!