New Delhi, Wireless telecom solutions company Clay Telecom today said it has begun offering international roaming service for Blackberry users.

By subscribing this service, Blackberry users would be able to check their e-mails and other services with a saving of up to 70-80 per cent, while on international roaming in several countries, Clay Telecom Executive Director Gaurav Dhawan said.

"These services not only makes it possible for travelers to save up to 70-80 per cent on international roaming expense, but also ensures that they save on forex by paying in local currency," he said.

Clay Telecom is planning to expand its operations in the country and would add two offices every year, Dhawan said.The company has seven offices, which includes its service counters at Delhi and Mumbai airport.

On revenue front, Dhawan added that"the company expect a turnover of about Rs 35 crore for current fiscal in a market of nearly Rs 200 crore."

Clay Telecom offers international SIM Card and global data card for Indian travelers abroad.

The company has tied up with about 40 operators to offer its services, which includes post-paid and pre-paid SIM cards. International SIM Cards allows a traveler outside India to use it, which is ready on arrival at the destination.