Spelling trouble for the users of BlackBerry in India, the Home Ministry said that Canadian handset-maker should allow the facility to monitor email and SMS to address the security concerns.

Two days back the United Arab Emirates (UAE) had also expressed concerns over “social and security risks” posed by BlackBerry services.

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“We will ban BlackBerry services if they refuse to give government details of data shared by users. They have so far denied data on the excuse of encryption,” a report quoted a high-ranking government official as saying.

“There should not be any problem in sharing the data. If they can provide this to US intelligence agencies, we do not see any reason that they cannot provide the same to Indian agencies,” the official said.

Meanwhile, Internal Security Chief U.K. Bansal told reporters on Thursday that he hoped Indian concerns that militants may use the BlackBerry data services would be resolved soon.

"They (RIM) have assured us that they will be addressing it," Bansal said.

The Department of Telecommunications (DoT) has given RIM time till the end of this month to provide access to its network. The government move comes in the backdrop of the report by India’s intelligence agencies that they were unable to decipher encrypted data sent on BlackBerry handsets. The security agencies are worried that terrorists may exploit this.

Meanwhile, according to a PTI report, RIM said the messages are encrypted. The smartphone's server is based in Canada where the level of encryption is very high and extremely difficult to crack.

Any message going through a Canadian server is encrypted and cannot be accessed by intelligence agencies in India, it added.