Airtel — not a link to know my call detail of airtel prepaid?

Address:

Ajmer, Rajasthan, 305003

Sir,
I am airtel prepaid user and i want to know outgoinh call detail of my no. On airtel website there are not showing any link to get the information on airtel log in profile.
So please tell me how to get my call detail file.

I have done this activity via sms also.
I send a sms
Eprebill may [protected]@gmail.com
To 121

But didnt get any thing to my email or sms.

So kindly do the needfull.
Thnks