Divya, I believe they both have been posted here before. Try using BTF's search feature.
Here is Resham - Bhangra: http://bhangrateamsforum.com/discuss/index.php?topic=430.msg5933#msg5933
Here is Gurwinder Brar & Sudesh Kumari - Rumaalan: http://bhangrateamsforum.com/discuss/index.php?topic=1869.msg22557#msg22557
By the way, I had to search for "Rumaal" instead of "Rumaalan" to find the 2nd song.
~ Basim
P.S. - Saleem, is there any possible to way to add a "Search" feature specificially for/in the Media Center?