Realty major Unitech today said completion of its deal with the world's seventh largest mobile operator, Telenor, will be delayed by about a month to January 2009. "Unitech Group and its partner, Telenor, anticipate that not all conditions for closing will be fulfilled before December 2008. Both the parties thus expect to close the transaction during January 2009," Unitech said in a filing to the Bombay Stock Exchange.