Mahanagar Telephone Nigam [MTNL] — my dead mtnl number [protected]

I am a cardiac patient and a senior citizen, i had 2 mtnl landline the other number was 22816863 whereby i was a loyal customer.
I surrendered the mtnl no.22816863 about 2 months ago because that use to faulty all the time inspite of several complains made.
I want your office to put my mtnl no.22816823 in order at the earliest as there in no ringtone since many days and while it was ok there was too much of disturbence.
Please give me the name and contact nos. Of the person whom i can contact in future problem if any.
If my above no.22816823 is not put in order within 24 hours i shall be forced to surrender the same also and mtnl shall loose one more old and loyal customer
Await your immediate action.