Video tag not working in HTML 5

Question

Hi,
My HTML 5 code is as below. I tested this in chrome and it does not work..Please help.

<video width="450" height="340" controls>

  <source src="D:/Aashiqui 2 (2013) 720p DVDScr x264 AAC [700MB]--[CooL GuY] {{a2zRG}}/[SaMplE]Aashiqui 2 (2013) 720p DVDScr x264 AAC [700MB].mkv" type="video/mkv">

   Your browser does'nt support video embedding feature.

</video>