Airtel — telecommunication problem

Address:	Valsad, Gujarat, 396191
Website:	airtel.in

I am using airtel network and my prepaid plan is unlimited my home network is kolkata but from the last december 2017 i m in vapi gajarat and facing a lots of problem during called if i have to call a number than have to dailed at least 10 to 15 times and if i have to call a jio number than its not possible. they challanged indias best network at this time they are the worst and if calling there customer care to solve the network problem they said your sim circle is kolkata you have to complaint to kolkata circle we can accept your complain t in gujarat circle than why they all offering roaming facility what is the meaning to remove zero from starting