These structures were built from top, while modern day architecture talks about elevation from the ground, he said. "We have to find out the design and implementation technology of these structures. We have to study the symbols dating back to that era," he said.
Construction of the Kailasa temple of Ellora caves in Maharashtra was attributed to 756-773 CE, while the Dilwara Temple in Rajasthan was completed between the 11th and 13th centuries CE.
SandHI is a science-culture initiative to re-visit India's ancient past through the lens of scientific inquiry and already underway in Varanasi. Classes under the course have started in the IIT-KGP campus, Professor Partha Pratim Chakrabarti said.
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