Question: how to change vodafone postpaid to bsnl prepaid?
Answer: You can visit nearest BSNL office and ask for porting. You need to provide a MNP(Mobile Number Portability) Code. Send a msg typing PORT to. You will receive a code from. You need to provide your address proof, photos and your thumb impression. You need to make payment of 50 Rs. You will be provided with a new BSNL sim.