PTI New Delhi, Monday, April 10, 2017 | 20:31 IST HOME The government today launched a dedicated website allowing the public the access to download 3,000 maps prepared by the Survey General of India (SGI) but made Aadhaar mandatory for the purpose. Using Aadhaar number, a person can download three maps every day from the portal ( http://soinakshe.uk.gov.in/ ) launched today. The SGI completes 250 years today. Harsh Vardhan, Minister of Science and Technology, said the motto behind making Aadhaar mandatory for using this service was to make it available "only to Indians". Aadhaar number is a proof of identity and not that of citizenship. The initiative comes days after Aadhaar was made mandatory for filing Income Tax Returns. The government is also mulling to make Aadhaar mandatory for booking air tickets. "We wanted to make passport mandatory for this service, but then not all people have passports, so we have made Aadhaar mandatory for people," ...