BSNL — Prepaid Service

I am having a prepaid connection from last 6 months which I have ported in from Airtel earlier in April 2021. I found service outrage so I want to port out from BSNL, which. I am trying from last 2 months but I m unable due to baring of outgoing SMS by BSNL i have tried all possible things to fix the concern like update the smsc no. raised complaint visited their respective office but still situation is as same as earlier I am still unable to send messages.

Please help me on the concern

Thanks & Regards

Bharat Bagora