MY PHONE DISCONNECTED WITHOUT REASON

My Name is M.S.Sarma, My family is a tata phone family since 7years.Hence total my family run the tataindicom prepaid phones. recently my tata prepaid Phone No. 9292950147 is disconnected without reason. somany time rechage also. that was life time validity i.e, 24 Oct 2021 the tata indicom was cheated me. This Phone activated Oct 2008. please help me this number lost my livelihood. my E Mail ID is : mail2me2013@rediffmail.com other Phone No. 8686840074