AC wifi router or dual band wifi router comes with 5ghz and 2.4ghz wifi bands. AC1200 is for 1200mbps wifi speed aka 1.2ghz which is more of theoretical speeds. Real life speed can be 300-600mbps.

Best AC1200 Routers with Gigabit Ports India 2023
Tenda AC10 AC1200 Wireless Smart Dual-Band Gigabit WiFi Router, MU-MIMO, 4 Gigabit Ports, 867Mbps/5 GHz+ 300Mbps /2.4GHz, Support VPN Server, WiFi Schedule, (Black, Not a Modem)
Tenda AC10 AC1200 Wireless Smart Dual-Band Gigabit WiFi Router, MU-MIMO, 4 Gigabit Ports, 867Mbps/5 GHz+ 300Mbps /2.4GHz, Support VPN Server, WiFi Schedule, (Black, Not a Modem)
1GHz processor for multi-client with responsive performance and fast speed; Security Protocol: Wps; Control Method: Application
₹ 4,900 ₹ 1,989
TP-Link Archer C64 AC1200 Dual-Band Gigabit Wi-Fi Router, Wireless Speed up to 1200 Mbps, 4×LAN Ports, 1.2 GHz CPU, Advanced Security with WPA3, MU-MIMO, Beamforming, Black
TP-Link Archer C64 AC1200 Dual-Band Gigabit Wi-Fi Router, Wireless Speed up to 1200 Mbps, 4×LAN Ports, 1.2 GHz CPU, Advanced Security with WPA3, MU-MIMO, Beamforming, Black
Easy Setup —— Easy network management at your fingertips with TP-Link Tether; Security Protocol: Wpa, Wpa2, Wpa3, Wpa/Wpa2-Enterprise (802.1x)
TP-Link XC220-G3V AC1200 Wireless 4 Gigabit Port, 1 VOIP Port, XPON Wireless Fiber Router (Black, Dual Band) with 2 External Dual Band Antennas, Easy Remote Management
TP-Link XC220-G3V AC1200 Wireless 4 Gigabit Port, 1 VOIP Port, XPON Wireless Fiber Router (Black, Dual Band) with 2 External Dual Band Antennas, Easy Remote Management
Superfast Dual Band Wi-Fi ---- Up to 1.2Gbps Wi-Fi speed, 300Mbps 2.4GHz, 867Mbps 5GHz; Supports VOIP Calls ---- Simply make or receive phone calls over the Internet
₹ 5,999 ₹ 2,999
(Renewed) TP-Link Archer C6 AC1200 Mbps Dual_Band Wireless MU-MIMO Gigabit Router (Black)
(Renewed) TP-Link Archer C6 AC1200 Mbps Dual_Band Wireless MU-MIMO Gigabit Router (Black)
Supports 802.11ac standard; Easy network management at your fingertips with TP-Link tether
₹ 1,999

AC1200 is 867mbps on 5ghz band+ 300mbps on 2.4ghz band. AC1200 is most widely used and budget friendly dual band router specification. Here gigabit port is a must to fully utilize wifi speed of the router else speed will always remain below 100mbps regardless of your isp speeds. So we will list the best AC1200 router with gigabit ports as a must.