On the recommendation of Parliament, the President issued a Declaration under Article 370 of the Indian Constitution and gave assent to the Jammu and Kashmir Reorganization Act, 2019. Accordingly, the former state of Jammu & Kashmir has been reorganized as the new Union Territory of Jammu and Kashmir and the new Union Territory of Ladakh on 31st, October 2019.
The new Union Territory of Ladakh consists of two districts of Kargil and Leh. The restof the former State of Jammu and Kashmir is in the new Union Territory of Jammu and Kashmir.
In 1947, the former State of Jammu and Kashmir had the following 14 districts – Kathua,Jammu, Udhampur, Reasi, Anantnag, Baramulla, Poonch, Mirpur, Muzaffarabad, Lehand Ladakh, Gilgit, Gilgit Wazarat, Chilhas and Tribal Territory.
By 2019, various State governments of Jammu and Kashmir had reorganized the areas of these 14 districts into 28 districts. The names of the new districts are as follows – Kupwara, Bandipur, Ganderbal, Srinagar, Budgam, Pulwama, Shupian, Kulgam, Rajouri, Ramban, Doda, Kishtivar, Samba and Kargil.
Out of these, Kargil district was carved out from the area of the then Leh and Ladakh district. Accordingly, the Leh district of the new Union Territory of Ladakh has been defined in the Jammu and Kashmir Reorganization (Removal of Difficulties) Second Order, 2019, issued by the President of India, to include the areas of the districts of Gilgit, Gilgit Wazarat, Chilhas and Tribal Territory of 1947, in addition to the remaining areas of Leh and Ladakh districts of 1947, after carving out the Kargil District.
