You will need RealPlayer to listen to the music and watch videos in Real format.  You will also need an MP3 player, such as Winamp, to listen to MP3s.  Windows Media Player may suffice in some cases, but we highly recommend these two players.  You can download them below.

Planet Bollywood - top 10 Hindi songs  

Pugmarks - top 10 Hindi songs

The Rediff Chartbusters - top 10 Hindi songs

Planet Bollywood - top 10 Hindi songs

IndiaDirect - top 10 Tamil songs

Nalla - top 10 Telugu songs

All India Radio - different categories

Channel OK - music in both Real and MP3 format

Dishant - links to music, videos, radio, TV, etc.

Hum FM - live Hindi music over the 'net

India FM - latest hits, qawallis, ghazals, instrumental, remixes, marriage songs, patriotic songs, etc.

India Hits - a great site, includes music in many categories, and album reviews.

Indian Melody - a very good site

Mehfil -e-Mushaira - urdu poetry in audio format - very good site

Music India Online - a comprehensive site with music in many different languages

Pugmarks - a great site with one of the biggest music collection we have seen!

Raaga - lots of streaming music in Hindi, Tamil, and Telugu

Radio Sargam - a large site that has a lot of sister sites consisting of lots of music

Sargam.FM - a large music portal

SmashHits - a very good collection of music in various categories

Dishant.com - continuous stream of Hindi songs, remixes, bhangra, etc.

IndiaMP3.com - downloadable and streaming MP3s

India Stereo - streaming MP3s

Kaustubh - a decent collection of MP3s, updated weekly.

Kishore Kumar - a site dedicated to Kishore Kumar - excellent

Mohammed Rafi - a site dedicated to the legend, Mohd. Rafi - excellent site

MP3 Babu - an Indian MP3 search engine

Nazrana FM - streaming radio station from New Zealand

Dishant - links to music, videos, radio, TV, etc.

IndiaFM - lyrics contributed by others

ITRANS Songbook - an older site that has a good archive of lyrics to old Hindi movies