@shashankb @Utkarsh Mahajan Thank you for helping. I've sent a mail to bsnl and Alphion regarding firmware; and not expecting any satisfactory response or even a response -_- /. Then I'll have to go for a separate router.
Looks like you have IPv6 enabled. May I know what are the settings you have enabled as I have the same ONT
If everything is working fine why would they make an updateHe is like if everything is working fine , why would you update ?