Not able to get refund from Kingfisher Airlline

Location/place: India – bangalore

Sirs,
i have booked travle from Bangalore to delhi return via kingfisher airlines for november 2012 which got cancelled, as kingfisher are not operating its services since October 2012, and from that day i have request several time for refund they are promising next 15 days time every time when i called them on no 02030293700,which is not working now,and in their website mention all contact numbers are not working. my ticket no is : 0902472932372; PNR no : OWJWPV,
please suggest me what to do they are not even having any office to visit and contact.

Thanks
Gaurav
Mob: 8884838000