Question

Why houses In Terai region and in Goa and mangalore has sloping roof

Answer 1

houses in Terai region, Goa and mangalore have sloping roof as these places have humid climate and it rains a lot so the sloping roof throws all the water down and protects the house from rain water

Answer 2

The houses in the Tarai region and in Goa and Mangalore have sloping roofs because they get heavy rain during the monsoon season. When there are sloping roofs, the rain water can easily flow off towards the ground or to a receptive unit where water is collected instead of collecting on the rooftop.