Jet Airways — cancellation of ticket on medical grounds

Address:

Panchkula, Haryana, 134107

Sir,
I booked on 17 jan 18, two tickets for going to chennai for celebrating golden jubilee of my commission in to indian army on 22 jun 18.
On 8 jun my wife fell down and had hairline fracture and doctor put a plaster with advise that it has to be for three weeks.
She cannot travel.
Only i shall be travelling.
I want that maximum permissible refund as per rules be given back to me on medical grounds.
Details as under :-
Ticket no.[protected]
Pnr:1a-ruoczy
Flight no. 9w2666 for 22 jun 18. Dep ixc chandigarh at 9:35 am
Flight no. 9w7063 for 22 jun 18, dep delhi at 1:50 pm