About Kalyan
Kalyan is a city in the Thane District of Maharashtra state in Konkan division and a part of Mumbai Metropolitan Region (MMR). It is a neighbour city of Mumbai and is governed by Kalyan-Dombivli Municipal Corporation.
Kalyan is within the administrative division (tahsil) at a taluka level of the Thane District. Kalyan and its neighboring township of Dombivli jointly form the Kalyan Dombivli Municipal Corporation, abbreviated as KDMC. It is considered a part of the Mumbai Metropolitan Region, along with Vitthalwadi, Bhiwandi, Thane, Ulhasnagar and the municipal councils of Ambernath and Badlapur. Kalyan is the 9th biggest city in Maharashtra and 28th in the country.
Source : Wikipedia