Virgin Mobile India — recovery of closed mobile number

[protected] was my old number. its automatically converted in Tata Docomo. after some days I hears Tata Docomo is closing. So I ported it in Uninor. after some days my number is closed. I went to Uninor and asked for Reactivating of my closed number. They told me that the can not recover that number. it can be recovered by its first network operator. My number is registered in many place that's why its necessary for me. Please help me in activating this number.

My alternate number is [protected].
My email address is saurav.saxena.[protected]@gmail.com