The correct option is
C T
The given information can be analysed as follows :
(A) Mode of Transport : R goes by Car, Q by Aeroplane, S by Boat and T by Train.
Now, only P remains. So, P travel by Bus.
(B) Place of Travel : R goes to Bangalore, Q to Calcutta. Now, bus transport is not available for Delhi or Chennai. So, P who travels by Bus goes to Hyderabad. S travels by boat and hence, by (ii), did not go to Delhi. So, S goes to Chennai. Now, only T remains. So, T goes to Delhi.
Place Mode
P Hyderabad Bus
Q Calcutta Aeroplane
R Bangalore Car
S Chennai Boat
T Delhi Train
Clearly, T travelled to Delhi. So, the answer is (c).