Chronology of SAARC Metrication:

South Asian Association for Regional Cooperation (SAARC)

47 IND India

IND Time Zone +5.5 Bharat (India) New Delhi
Metric System Legal: 1920
Metric System Adoption: 1954
Compulsory Metric Implementation: 1956; see MetricPioneer.com/India for more detail
United Nations Member: 30 Oct 1945

103 AFG Afghanistan

AFG Time Zone +4.5 Afghanistan Kabul
Metric System Adoption: 1926
United Nations Member: 19 Nov 1946

45 BTN Bhutan

BTN Time Zone +6 Bhutan Thimphu
Metric System Adoption: 1951
United Nations Member: 21 Sep 1971

49 MDV Maldives

MDV Time Zone +5 Dhivehi Raajje (Maldives) Malé (Male)
Metric System Adoption: 1959
United Nations Member: 21 Sep 1965

46 NPL Nepal

NPL Time Zone +5.75 Nepal Kathmandu
International System Legal Adoption: 1963
Compulsory Metric Implementation: 1966-71
United Nations Member: 14 Dec 1955

104 PAK Pakistan

PAK Time Zone +5 Pakistan Islamabad
International System Adoption: 1967-72
United Nations Member: 30 Sep 1947

48 LKA Sri Lanka

LKA Time Zone +5.5 Sinhalese: Śrī Laṃkā / Tamil: Ilaṅkai (Sri Lanka) Kotte
International System Adoption: 1970
Compulsory Metric Implementation: 1974
Compulsory Metric Legislation: 1976 *
United Nations Member: 14 Dec 1955
* Chapter 189 – National Metric Conversion Law Number 17 of 1976

43 BGD Bangladesh

BGD Time Zone +6 Bangladesh Dhaka
International System Legal Adoption: 1982
Compulsory Metric Implementation: 1982
United Nations Member: 17 Sep 1974

Click on the image of Earth here to see when metrication occurred in each country or territory on Earth: