airtel mumbai -port out to bsnl maharashtra???

[neodoc]

hi all,ultimately i sent out porting requeston thursday,after forth attempt i got porting request no.twice i got reply message as no preconfig.reply or so.ultimately i got message that your request is recieved and our team will get in touch with you.yesterday,i got call from airtel,they offered me two months rental free usage and all vas free(missed call alerts free).they themself offered that you send this message again after 2 months.guys i want to know,can i port from airtel mumbai to bsnl maharashtra??