Telecom operators who offer BlackBerry services are also ISPs. The feasibility of this solution, says DoT, will be explored after discussions with the Intelligence Bureau as well as the ISPs.
Financial institutions, banks and other companies, which use enterprise email services by BlackBerry-maker Research In Motion, were affected.
Operators, including Tata Teleservices, have submitted the compliance report for messenger services to the department of telecommunications.
Amid mounting pressure from Home Ministry on the BlackBerry smartphone maker to share data interception technology, Telecom Ministry said the service could be monitored with the help of internet operators.
Canadian firm RIM, earlier this month had also expressed its inability to provide its customers' encryption key to the intelligence agencies for lawful interception of contents.