Airtel — connection postpaid issue

Address:	625007
Website:	Airtel

Dear sir

My mobile number [protected].( 499 Postpaid plan)
I change my number to your network on 1 week before .
One of your staff contact to me 2 days before, they ask 50 Rs for courier charge to send the son card .
I transferred the amount .now my previous network not working this is my office number .what I have to do this is ridiculous, I'm totally upset your service.
Please let me know why this is happend.
Please I don't need your connection .Please I want my network back.

I attached the details below FYR

Account datails:
Acc no:[protected]
Ac name: klr global. Inc
Bank: ICICI bank
Branch: porur branch
Ifsc code: icic0002696

Regards
G.Mohanraj
Lourdhu nagar 6th street
K.pudhur
Madurai 625007

[protected]