This paper expects to dissect logical investigations zeroing in on both ecological maintainability and shrewd city ideas to discover the connection between these two. To do so, the review distinguishes data about scientists, models, structures, and devices zeroed in on the picked subjects. This examination utilizes a subjective strategy, through a precise survey of the writing, which looks at the terms, 'smart city and its sustainability', focused on maintainable improvement of smart urban communities. As per the 2030 Plan is a reasonable improvement achievement for humankind in its desire to focus on our people in the future really. Smart Urban areas assume a fundamental part in this turn of events, the turn of events heading is based, among different elements, on the satisfaction of the models set by the different Sustainable Development Objectives (SDOs). The motivation behind the ebb and flow research is to check the present status of science concerning the improvement of the SDOs in smart cities to lay out a hypothetical structure for the turn of events and mix of information well defined for a Smart City to partake in homogeneous observing of these pointers.