Vodafone — SIM card deactivated without intimation

Hi Team,

I am using the Vodafone prepaid card from last 10 yrs and without intimating me they deactivated the service, so I have visited the service center and ask why my services is deactivated so they are telling not showing any reason for deactivation.
I[censored] want to activate the number you to take postpaid plans and have to pay Rs.300 to 400 for new Sim.
My number is ACTIVATED in all the portal and i am facing the loss in my business who is responsible for this. so request you to restore my number as soon as possible.
Please help me .
Mob: [protected]
Name : Farhan Baig
Location : Mumbai