Thank you very much BooZad for your answer.
as i mentioned that already updated atheros drivers, this worked for me for one week but now again started giving BSOD.
I am updating atheros drivers as per you suggestions.
But can you please tell me what should have happened ?
why it started giving...
I am having a lots of BSOD while downloading torrents.
I tried updating wifi drivers.
It worked for a week, now again having same problem.
Tried changing torrent client from utorrent to bittorrent.
Still having problem.
Follwing is link to 5 dmp files and one system information file...