List of gigabit routers that can be used with BSNL ONT for wifi n advance routing capabilities.
TP-Link Archer C6 Gigabit Router
4 Gigabit LAN ports 1Gigabit WAN port
AC1200 – 300mbps(2.4ghz) 867(5ghz)
Mu-MIMO 2X2 / Dual core processor
Can be extended via onemesh range extender
more details
Tenda AC10 1200mbps Dualband gigabit Router
3 Gigabit LAN ports 1Gigabit WAN port
AC1200 – 300mbps(2.4ghz) 867(5ghz)
Mu-MIMO 2X2
more details
D-link R15 AX1500 Wifi-6 Router
Only AX Router in current budget
Wi-Fi 6 AX 1500 Mbps
3 Gigabit LAN ports 1Gigabit WAN port
OFDMA/ BSS support
Control via app/web
more info
Mercusys AC12G AC1200 Gigabit Router
3 Gigabit LAN ports 1Gigabit WAN port
AC1200 – 300mbps(2.4ghz) 867(5ghz)
Mu-MIMO 2X2
more info
Netgear R6220 USB 2.0 Port Gigabit Router
4 Gigabit LAN ports 1Gigabit WAN port
AC1200 – 300mbps(2.4ghz) 867(5ghz)
1 USB 2.0 Port for file/printer sharing
DLNA server support
more details
Mi 4A Gigabit Router
2 Gigabit LAN ports 1Gigabit WAN port
AC1200 – 300mbps(2.4ghz) 867(5ghz)
Mu-MIMO 2X2 / Dual core processor
More Details
Note: These wifi routers are not a substitute for BSNL ONT. You must use use your ont along with these routers.

Bsnl is providing FTTH or FTTX service in association with different local vendors n dealers. Sometime it’s local isp or local cable tv providers who take care of last mile connectivity. They act as franchise of Bsnl.

These different last mile provider give different types of modem aka ONT to customers. Sometime wifi enabled sometimes not. It’s better to use ones own wifi modem which is gigabit ready to enjoy more than 100mbps speed most of these fiber plans give to customers.