In March this year, the apex court had asked Uttar Pradesh government to place before it a draft of vision document on protection and preservation of the Taj and the environment in the Taj Trapezium Zone, which is an area of about 10,400 sq km spread over the districts of Agra, Firozabad, Mathura, Hathras and Etah in Uttar Pradesh and Bharatpur in Rajasthan.