Two points are there... 1. Mobile phone to be used by employee in the course of furtherance of business. 2. Permanent Transfer of business assets. (mobile phone)
in case of case-2 i.e. permanent Transfer of mobile phone...you can not avail ITC.
in case of case-1 you will capitalize mobile phones in your books, ownership of the phone shall be in name of your business and you can also enjoy depreciation benefit as per Income tax act. in this case you can avail ITC.