Reliance Communications — not getting upc code from reliance

Address:

Nellore, Andhra Pradesh, 524002

I want to port my number from reliance to an another network. I have sent so many messages since last 3 days to 1900 as port [protected]. I am a prepaid customer. I dont have any dues to company. But i am not getting any reply and upc code. Reliance customer service is also not working. Whom can i complaint about this issue. I have been using this network since so many years. Please provide me upc code