Origins and architecture of the Taj Mahal "The Baby Taj". Minarets did not become a common feature of Mughal architecture until the 17th century, particularly under the patronage of Shah Jahan. A few precedents exist in the 20 years before the construction of the Taj in the Tomb of Akbar and the Tomb of Jahangir. Their increasing use was influenced by developments elsewhere in the Islamic world, particularly in Ottoman and Timurid architecture and is seen as suggestive of an increasing religious orthodoxy of the Mughal dynasty. Under the reign of Shah Jahan, the symbolic content of Mughal architecture reached a peak. The Taj Mahal complex was
Taj Mahal dates due to differing opinions on "completion". Construction of the mausoleum itself was essentially completed by 1643 while work continued on the outlying buildings continued for years. Estimates of the cost of construction vary due to difficulties in estimating costs across time. The total cost at the time has been estimated to be about 32 million Indian rupees, which is around 52.8 billion Indian rupees ($827 million US) based on 2015 values. Abdul Hamid Lahauri in his book "Badshahnama" refers to Taj Mahal as "rauza-i munawwara", meaning the illumined or illustrious tomb. Soon after the Taj Mahal's completion, Shah Jahan