Silsako was an ancient stone bridge over a channel of river Barnadi in Hajo , Kamrup . As the channel changed its course over time , now the bridge is stranded in the middle of a small lake . It was an important transit route in ancient and medieval times . Many invaders like Muhammed Bin Bukhtiyar entered into Kamarupa in the year 1205-06 AD , and crossed the bridge Silsako . This historical bridge sustained damage in the 1897 Assam earthquake
1897 Assam earthquake
1897 Assam earthquake
Silsako