TDS Deduction

kiran (accountant) (444 Points)

08 February 2019  
Dear experts,

please suggest me

we are booking air ticket through agent for employee after that he raise invoice our company name.
bill contain service charge & air ticket amount .he charge get only service amount.
for exp.

service charge. 500
gst 18%. 90
air ticket bill amt 1000

total bill amount. 1590.

my question is that which amount I have deduct TDS. 1500 or only 500 .