IMD was established in the year 1875 with its headquarters in the capital city of Calcutta (now Kolkata). The first Director General of Observatories was Sir John Eliot who was appointed in May 1889 at
Calcutta headquarters.
Almost simultaneously, a Branch Meteorological Office was set up in Shimla, and was therefore equally important. As the years went by, greater responsibility got assigned to the Shimla branch office and its activities went on increasing. From 1885 onwards, the Indian Daily Weather Report, monthly and seasonal summaries, and the long range forecasts were issued by IMD from Shimla.
Eventually, in 1905, the role reversal became official, as Shimla became the headquarters of IMD and Calcutta was reduced to the status of a branch office
Poona building was inaugurated on 20 July 1928 by Sir Leslie Orme Wilson, Governor of Bombay. IMD Pune is known to the public as ‘Shimla Office’. It is an outstanding landmark in the heart of the city of Pune.
Finally the Head office was shifted at New Delhi.
Meteorological Centre Shimla was Established on 9th Dec 2002 by the Govt of India, India Meteorological Department (IMD), MoES for providing the meteorological Services to the Himachal Pradesh. It is located near to the Kamala Nehru Hospital & Opposite of the Computer Centre of Art & Culture, Govt of HP, Shimla