Applicability of RCM on travelling bill placed by employee

Can any one put the clear views in view of the gst act & rule regarding the applicability of rcm for the reimbursement of TA bill consisting of:
1. Railway ticket
2. Air ticket
3. Car hire chages ( bill from regd & unregd service provider)
4. Hotel Rent bill (bill from regd & unregd service provider)
5.Food bill (bill from regd & unregd service provider)
6.Pocket Expenses
please note for item 3,4,5 bill from regd. serv provider contain the gstin of the company concerned.
Regards
Sujit Kumar Das
9433036600