Mandan both of Khedoi . Kutch Gurjar Kshatriyas have done the bridges over the Son River at Dehri-on-sone , over Yamuna near Mughalsarai , over Ganga and Yamuna at Allahbad , over Champa River near Bilaspur, Pamban Bridge at Rameshwaram , over Rupnaryani at Kolaghat , over Hooghly at Calcutta ,