Yes, aluminium windows come cheaper when compared to wooden variants. This is both in terms of initial cost and regular maintenance. Wooden windows are starting to get expensive because wood is an expensive raw material. Aluminium is a recyclable material, so people are starting to prefer the best aluminium windows in India versus wooden windows.
It is less expensive to maintain aluminium windows as these do not require regular deep cleaning. Wood needs to be taken care of since it can be exposed to various weather conditions and is therefore expensive. Aluminium windows in India are increasing in popularity because of the huge cost difference as compared to other alternatives.