Users complain of poor service, inadequate support from customer care.

The sudden drop in calls and shift from 3G to 2G data services have added to the consumers� frustration. However, service providers said the problem was temporary and upgradation of networks to 3G services was the reason. �The cell sites are still being upgraded and cell expansions is not over,� said an official of a tower com-pany, requesting anonymity.

The maximum complaints received were from Vodafone subscribers. However, the operator refused to comment on the issue.