The economy of India suffered in the recent past due to lower growth rate in construction sector. The construction sector suffered because of shortage of sand and the controls imposed by state governments on samd quarrying. There is public opinion against exploitation of sand. The state governments should do more on encouraging and funding research on making sea sand suitable for construction by modifying the same, Similarly a time may come when there will be shortage of raw materials for cement. The same may be the case for iron as well. The governments should fund extensive research on developing alternate materials for sand, cement and iron. Though wood is a renewable source, there could be constraints on its supply. Bricks may not pose a big problem.Shortage of manpower may arise with the expandion of manufacturing and service industries.Mechanisation needs to be introduced on a larger scale.
Alternate building materials-need to develop