To check usage of Tata Photon Plus you need be registered first from below link :
http://www.tataindicom.com/myaccount-new-user.aspx
After registration you can check your Tata Photon usage or pay bills online from logging into your account. To login into my accounts visit below link :
In case of any problems or to log complain call at Tata Photon Plus Customer Support number : 1800-266-121 (Toll Free number).