Even for new connections also they are providing 5G SIM, I went to port my sim in July that time they told 5G sims will come around August and took a new connection which they provided 5G SIM
Govt should kickstart 4g/5g service properly in bsnl & give better network coverage soon... thanks to shift of public towards bsnl, it forced jio & airtel to launch few slight affordable plans compared to their own plans... p.s edited