An amazing variety of vernacular architecture exists in the northern Himalayas and further eastwards – from Islamic elements of Kashmir to Buddhist Zanskar and Ladakh.
In this northern belt one finds some remarkably traditional houses with regional variations. Those in Lucknow have the symbol of Oudh and a pair of fish on the entrance door.
Rajasthan has the greatest diversity in vernacular residence styles, which are constructed mainly in stone. Jaisalmer has exquisite stone havelis inside the fort as well as outside it.
South India has a rich history of vernacular architecture, comprised as it is of the historical civilizations in the states of Tamil Nadu, Kerala, Karnataka and erstwhile Andhra Pradesh.
West Bengal in eastern India is the land of the ubiquitous bangla hut that went on to influence mainstream Hindu and Mughal architecture all over India.