Suggest me a Topic for my Doentary film in the state am (India)?

i have some plans to make a doentary film..so can some one suggest me a good topic on which i can make my doentary film...i need to make that doentary on any topic of state am (India)...any famous temple..? any monument.? any thing nd everything which is famous in am....? Guwahati or any place near by Guwahati would be more preferable..I know Kamakhya temple but someone else have already selected that topic...so friends please help me...