Mankachar is a census town in South Salmara-Mankachar District in the Indian state of Assam. It is situated at the extreme south-westernmost end of North-Eastern IndiaGeographyMankachar is located at. It has an average elevation of 27m.PoliticsMankachar is part of Dhubri (Lok Sabha constituency). It is the number 21 constituency of the Assam Legislative Assembly.