i took a Tata Docomo post paid connection 9 months back...as Docomo couldn't provide me the service they are not willing to refund my advance also after 9 months...Tata Docomo ko kya ho gaya hai...
Refund is processed only if you give written application for it. Within 15 days you should get the refund cheque. With Email authenticity of buyer can't be verified and it can be spoofed easily.