Was Qutub Minar really built by Qutub and Iltushmish ? An account from the Report for the Year 1871-72: Delhi, & Agra by Alexander Cunningham ,

Was Qutub Minar really built by Qutub and Iltushmish ? An account from the Report for the Year 1871-72: Delhi, & Agra by Alexander Cunningham ,