Analysis of information sources in references of the Wikipedia article "Hyderabad State" in English language version.
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: CS1 maint: DOI inactive as of December 2024 (link)On 17 September 1948, the troops of Hyderabad surrendered and the Government of Hyderabad administration headed by Laik Ali (and including Moin) resigned.
... Government of India had purposely avoided any question of accession and maintained until that date Nizam's authority as source from which military Governors' and chief Ministers' powers were derived.
Further, on 26 January 1950 there came into being the Union of India and a new State of the Union of India, the Union State of Hyderabad.
... Firman issued by Nizam on 24 November 1949…which suggests that accession became effective on 26 January 1950.
The Nizams from Mīr Qamruíd-Dīn Khān (1724-48) until the sixth ruler of the house Mīr Maḥbūb ʿAlī Khān (1869-1911) used Persian as their court language, in common with the prevailing fashion of their times, though they spoke Urdu at home.