Murali Ramdoss, John Michael Rassias, Divyakumari Pachaiyappan, Stability of Generalized AQCQ Functional Equation in Modular Space, Journal of Engineering and Applied Sciences, Volume 15,Issue 5, 2020, Pages 1148-1157, ISSN 1816-949x, jeasci.2020.1148.1157, (https://makhillpublications.co/view-article.php?doi=jeasci.2020.1148.1157) Abstract: Mixed type functional equation is a further step of development in the broad area of functional equations. Many researchers introduced, various mixed type functional equations like additive-quadratic, quadratic-cubic, quadratic-quartic, additive-quadratic-cubic and so on. But even today notably, we have only one famous mixed type of additive-quadratic-cubic-quartic functional equation. In this study, the researchers made an attempt to introduce such new mixed type of additive-quadratic-cubic-quartic functional equation with its general solution and various stabilities related to Ulam problem in modular space. Keywords: Modular space;functional equations;stabilities related to Ulam problem;Δα-condition;Fatou property