Explanation:In Assam houses are -The houses are made up of strong bamboo pillars as bamboo is the most available resource with their strong structure.The inside of the house is made of wood which can be beheld on bamboo bases.Most of the villages construct their wooden houses 3 to 3.5 m above the ground on strong bamboo pillars as floods are more often in this state.Since there is a heavy rain zone so their roofs are sloping that does not store water on the roof.Hence, we conclude from the above-mentioned points that in Assam is the state which is a suitable answer.Additional InformationDescription of houses of different places:In Ladakh, houses are made of woods, with sloping roofs and covered in snow.In Kashmir, some old houses have a special type of window which comes out of the wall. It is called 'dab'.In villages of Kashmir, houses are made from stone cuts and kept one on top of the other and coated with mud.In Srinagar, 'Donga' houseboat can be seen in Dal Lake and Jhelum river. From inside it is just like a house with different rooms.In Manali (Himachal Pradesh), houses are made of stone and wood, but not on bamboo pillars.