As part of the deal, Tech Mahindra will develop digital solutions for Comverse and focus on engineering and R&D services. The programme is expected to be implemented starting June 1, 2015.
While the company declined to comment on the deal size, sources suggest that the deal is pegged at anything between USD 150-200 million.
Also, over 200 employees, located across Israel, the US and France, will move to Tech Mahindra, sources added.
Last year, Tech Mahindra had also acquired Lightbridge Communications Corporation (LLC) and its Israel-based unit Leadcom.
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Nasdaq-listed Comverse offers solutions for billing and active customer management, digital services, and systems integration and services.
Its customers include Vodafone, AT&T, Orange, Reliance, Verizon Wireless, BT and MTN among others.
"Tech Mahindra and Comverse have reached an agreement in principle on a strategic relationship... As part of this initiative, employees from certain functions within Comverse's Digital Services business unit are anticipated to join Tech Mahindra," a statement today said.