 The buildings in the northern part of the mound indicative urbanization , with people of different ethnic groups — Indian and non @-@ Indian — but it has not been possible to date them in view of the limited depth of excavations . 
 The buildings in the northern part of the mound indicative urbanization , with people of different ethnic groups — Indian and non @-@ Indian — but it <a href='uninflect' title='1'><mark>has</mark></a> <a href='negative_concord' title='2'><mark>not</mark></a><a href='negative_concord' title='3'><mark>been</mark></a> possible to date them in view of the limited depth of excavations . 
The buildings in da northern part of tdamound indicative urbanization , with people of diffrent ethnic groups — Indian and non @-@ Indian — but it have ain't possible to date them in view of the limited depth of excavations .