A blue ray Drive costs 10k now a days, in that case buy the X-360 core @ 14k + BD Drive @ 10k=24k same as the price of a PS3 but since X-box games are cheaper and more in number and it will be more futureproof as you can use your BD Drive in future PCs as well, you can watch movies in your PC as well, and most importantly you can also BURN Blue Ray disc in the PC drive unlike PS3's BD Drive.
BTW- X-360 outsold PS3 in every country except Japan, cause its way more VFM.(Not because it launched earlier, in that case Wii, which launched last couldn't have outsold both X-360 and PS3 globally)
Correction
Only a Xbox360+
BD drive[Read only] for PC costs same as that of a PS3
A BD writer for PC costs
Rs7000 more than a BD reader . so it costs rs16k [The Cheaper ones]
Comparison
A x360 core+BR Writer [PC] costs you atleast rs7000 more [by conservative estimates] than a PS3
so
-->You need to buy a good display and sound system for ur PC as well as ur x360 , if not either your gaming experience[x360] or movie watching experience[PC] would suck
Whereas
It would be way cheaper to buy a PS3+External HDD (which u can also use for ur PS3) .....U get to read the BR discs using PS3's Drive and use your HDD as a storage medium for both ur PC and PS3
-->So You can both play games and watch movies on ur PS3 and u end up spending less on ur PC
Another advantage PS3 has
Only in a PS3 can u install a laptop hard drive [internal]... for x360 u need to get urself the custom drive offered by Microsoft ... so that makes availability of X360 HDD an issue in India.
Also take into account that only in rare cases would you need to burn a 25-30GB BR Disc ... Dual layer DVDs [8GB] are more than enough for most data storage needs .
Quoting from Wikipedia
In addition, both Home Theater Magazine and Ultimate AV have given the system's Blu-ray playback very favorable reviews, stating that the quality of playback exceeds that of many current standalone BR players. Also, the Convergence Panel of the European Imaging and Sound Association recognized the PS3 as the best media center product in the 2007/2008 award year.
Inference PS3 owns in multimedia