Source: http://14.139.60.153/bitstream/123456789/2078/1/PROCEEDINGS%20OF%20THE%20TENTH%20MEETING%20OF%20THE%20ALL-INDIA%20COUNCIL%20FOR%20TECHNICAL%20EDUCATION%20HELD%20AT%20NEW%20DELHI%20ON%2022ND%20FEBRUARY%2C1957_G-1318.pdf