On its Twitter account Airtel Presence -- the company tweeted: 'Some Airtel customers may be experiencing connectivity issues due to an unforeseen technical outage on some circuits in Western region...'
Television reports said that due to the fire at the Bharti Airtel office in Malad, the cellular operator's Blackberry and voice services have been affected too.
While the company has not yet said when would the problem be solved, it apologised in a tweet, saying: 'Sorry for inconvenience. We are in process to resolve the concern (sic). Thanks.'