Tata Communications ltd (TCl) bagged a $20 million deal for 5 years from consultancy Mott MacDonald for redesigning its telecom infrastructure and related services. "Tata Communications...Has been selected by Mott MacDonald as its telecommunications partner for the next five year in a deal worth over $20 million," TCl said in a statement. TCl will redesign Wide Area Network, meant for use by employees within an organisation, and infrastructure for global unified communications to enable Mott's to centralise software and other technical applications such as document management system into cloud computing environment.