--> login into hotmail account.. ( if you don't have hotmail account, signup and login )
--> goto options -> mail options -> mobile alerts
--> click on SIGN UP WITH MSN MOBILE
--> Click on Wireless service provider
--> enter your 10 digit mobile number
--> See the code in mobile sent by msn and enter in Confirmation box on screen
Now you are ready to get hotmail inbox to your mobile..
NOTE: they will charge 1 Rs. for Incoming mail, you can filter your mails by agian opening 'mobile alerts"
Most of the email accounts provide mail forwarding to another email... ( Gmail has this option )
if you want your current mail account mails to mobile.. just forward it to your hotmail..