Taj Mahal, the pinnacle of Mughal architecture, was built by the Mughal emperor Shah Jahan (1628-1658), grandson of Akbar the great, in the memory of his queen Arjumand Bano Begum, entitled ‘Mumtaz Mahal’.The mausoleum is located on the right bank of the river Yamuna at a point where it takes a sharp turn and flows eastwards. Originally, the land where the Taj Mahal presently stands belonged to the Kachhwahas of Ajmer (Rajasthan). The land was acquired from them in lieu of four havelis as is testified by a court historian, Abdul Hamid Lahauri, in his work titled the Badshah-Namah and the firmans (royal decrees). For construction, a network of wells was laid along the river line to support the huge mausoleum buildings.