Question

why a multipurpose projects called as the temples of modern India

Answer 1

they are related from different fields growth

Answer 2

Multi-purpose projects are called 'temples of modern India' as they brought about :
(i) economic prosperity in terms of agriculture, industrial development and urbanisation.
(ii) promotion of tourism contributed to foreign exchange.
(iii) it would integrate the development of agriculture and the village economy with rapid industrialisation and growth to urban economy.