The top 10 revenue generating monuments during 2015-18 are Taj Mahal, Agra Fort, Qutub Minar, Red Fort, Humayun’s Tomb, Sun Temple Konark, Group of Monuments Mamallapuram, Ellora Caves, Group of Monuments Khajuraho and Ajanta Caves, Aurangabad. The information was shared by Dr Mahesh Sharma, Minister of State (I/C) for Culture and Minister of State for Environment, Forest and Climate change in reply to a starred question in the Rajya Sabha. The Archaeological Survey of India (ASI) spent Rs 41,076.79 lakh in 2017-18 for the conservation of protected monuments.