Davanagere (Karnataka), May 29 (PTI) Vice President C P Radhakrishnan on Friday said engineers, scientists, researchers, and entrepreneurs would play a crucial role in India’s aspiration to become a developed nation by 2047. He stressed the need for ethical development and said technology should ultimately benefit humanity. Speaking at the inaugural ceremony of the 75th platinum jubilee celebrations of University BDT College of Engineering here, he said that India is witnessing a new era of tran