Change mobile number associated with bsnl broadband

can you just give me a general outline how to do that ?i d be grateful if u upload some images etc.or give detailed option
 
Visit their exchange and request them. They will give you a form. Fill it in and hand it over. The change will be done in a day or two
 
You can do it online on the following website: selfcare.bsnl.co.in
Login with your details (If not registered to the portal, sign up first).
After logging in, on the left hand side click on 'Manage Account' -> 'Update Profile'
You will be able to update your mobile number and email id over there.
 
Depending on the exchange, this method can take days/weeks/months for the change to happen. The best bet is to visit the exchange personally for quick action.
 
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