Mobile Number Portability(MNP) Process

Website: 

Check Official Website

There are some steps to Port Mobile Number(MNP) -

Airtel Prepaid to Postpaid

You can convert number into Prepaid to Postpaid by three ways-

Through Official Website

After succesful verification, your Prepaid number will be upgrade to Postpaid

Through SMS

Visit nearest Airtel store and fill application form as well as your Aadhar Card
Within 2-3 hours, you get a SMS of succesfully activating your Postpaid Number

Through Visit Airtel Store

Go to nearest Airtel Store with copy of Aadhar Card, carry original aadhar also

Now you got a new message for Postpaid connection, enjoy your postpaid services

Vodafone/Idea/Bsnl

Through Official Website

Through Visit store

Go to nearest Store with copy of Aadhar Card, carry original aadhar also

Now you got a new message for Postpaid connection, enjoy postpaid services

Charges

Some operator takes charges Rs 0-50.