Number tirtheen ey? With such a luck it's no wonder you had a difficult time creating this :)
Dubstep ey? Now that is a very difficult genre for me to create any songs in, so I can totally understand the struggle behind making this. Naturally, as I'm sure you understand, this isn't the greatest dubstep song I've heard :D
I still think you did quite a good job, considering this is, as far as I know, your first attempt at creating something like this. The normal musical aspects of this piece are good and sound very much like you. The dubsteppiness though is as expected, a bit weird, even for being dubstep XD
You obviously lack a good dubstep library, which makes creating dubstep even more difficult. The effects you used were pretty decent. That "yeaaah" sounding noise was pretty funny at first, but almost got a bit irritaiting as it was repeated... A lot. Good job with the glitchiness in it though!
I always love listening to covers; it's so fun comparing them to the original. And wow is this different from the original :'D
That (brassy?) sample at the breakdown (0:43) sounds pretty horrible by itself I think, hahha, but maybe it's just me :p
There is one sound in this song that couldn't be beaten by anything though! That crow scream at 1:23 is awesome XD (I get it - Birdland).
Anyhow, a good attempt at least :p
Much better than anything dubstepish I could manage to create, and I would never even dare put what I made out there, so you're already several steps ahead of me! :D