Roma Kapur,
Welcome to this beautiful site, first!
There can be a plenty of names, which you can have as your email id, but it depends whether they are available with the site, with which you want to get your email id from. For example, on hotmail.com, gmail.com, yahoo.com and rediffmail.com,
[email protected] is not directly available. But, you have an option - write the year of your DOB in the end, for example - if you are born in 1989, write romakapur1989 or romakapur89, or romakapur22 or such! I personally abhor using hyphen or underscores, as they seem to be stumbling blocks. So, the options are -
1. romakapur1989
2. romakapur89
3. romakapur22
4. romak1989
5. rkapur1989
And the like...