evidence: - ^ Shillong was the joint capital of Assam and Meghalaya until 1972.[3] [...] - ^ Gangtok has been the capital of Sikkim since 1890. Kingdom of Sikkim joined the Indian Union in 1975.[6] [...] Citations - ^ "Jammu and Kashmir bifurcated: India has one less state, gets two new UTs in J&K, Ladakh". India Today. 31 October 2019. Retrieved 25 December 2020.