The correct option is B Temples of modern India
Jawaharlal Nehru proudly proclaimed the dams as the 'temples of modern India' as it was felt at that time that the construction of large dams would solve many problems of India. It would result in the generation of electricity, would provide water for irrigation to the farmers, supply water to household and industries. Main purpose of launching multipurpose river projects in India was to combine development of agriculture and village economy with rapid industrialisation and urbanisation.