gst applicability and input credit

Dear expert, please resolve my query. 

What will the treatment of expense reimbursement in following case

1. If employer reimburse expense to employee like hotel bill, food, mobile bill etc. 
wheather employer can avail input credit of Gst charged on above bills 
or if Gst is not charged on above expense then "will employer liable to pay Gst on above bills" claimed by employee.