Heating issue the laptop shuts down

Hello Jayanthi Naidu,

After reviewing your post, I have located an article that can help in this situation. It contains a number of troubleshooting steps and helpful advice concerning opertaing temperatures:

Mac notebooks: Operating temperature

http://support.apple.com/kb/HT1778

Thank you for contributing to Apple Support Communities.

Cheers,

BobbyD

Try an SMC reset.