[Resolved]  Vodafone — Network unavailable

i am the corporate user of Vodafone mobile services in Uttranchal and i am facing the peculiar problem that although the signals are available in the area and on my mobile phone where i stay but i am neither recieving the calls nor i am able to dial the calls, The same problem is there with my parents mobile who come from Punjab and are on roaming has also not recieving the calls nor able to make the calls.i am the bank employee and any lapse in the services on mobile has been resulted in the security issue of the bank.The customer care is also not able to take the complaint saing that the system is on upgradation so we are not able to take the complaint. The area where i stay is just Defence colony, near Vidhan Sabha, Dehradun, Uttranchal