should 25 euro paying but iam paying 32 euro why?

Don’t have a crystal ball, sorry ;-) Maybe look at the invoice? There you should be able to see exactly what the extra amount is for.

Hello ​@Harikrishnan, i would like to welcome you to our community 🙂

It's understandable that you're wondering if you're paying more than usual. Have you taken a closer look at the invoice? Page 2 shows details of the calculated invoice items. You should normally find the answer there 🤔

Kind regards, Kathi

Hello ​@Harikrishnan,

I hope everything is fine with you so far. :) 

This page summarizes all the information about invoices and how you can access them. You can have them translated in your browser: o2 Rechnung online einsehen und Zahlungen verwalten