Tds on seminar expenses

our company has appointed trainers under a Trainer contract agreement in the field who done product training and business opportunity meetings in various part of countries. and for this company pay trainers per meeting fee. their Hotel Booking, travelling expenses,ticket booking is done by company.
Let following exp incurred in a year
 1)Trainer Fee :- 250000
    2)Hotel Booking:- 200000 ( total of expenses for booking in various hotels i.e. not single hotel)
   3) other expenses relating to meeting(ticket book,traveling exp,misc exp):- 150000

please tell on which amount tds to deduct and if it not liable to tds then reason for the same.