IPL 2010 just kicked off and there will be matches played everyday between March 12th and April 25th. However, it is not always possible to watch the IPL Live online, but you can always catch up with the highlights of the matches later on.
If you are looking to watch the IPL 2010 match highlights you can head over to the official site IPL T20 where they will be adding videos of the IPL 2010 matches, presentation and more. You can also watch the match highlights at other unofficial sites.
Cricket Online adds match highlights of all the IPL 2010 matches to their site, you can watch it by visiting this link. Cric Fire also adds videos of the IPL 2010 highlights which you can watch here. If you are unable to watch using the above links you can always visit Cric Fever, which you can visit by clicking this link.
If you use any other resources to watch the IPL 2010 highlights online, feel free to share the links in the comments.