DUOL is an adaptive and modular lighting solution specifically targeted towards the urban apartments in Pakistan. The increased electricity bills and energy crisis in Pakistan has created a market demand for energy saving lighting options. In the light of such a situation, smart and energy efficient systems are becoming increasingly popular. DUOL seamlessly combines modularity with a functional approach, utilizing the peak hour schedule system for pricing of electricity units, it uses an adaptive power supplying source to the modules during peak hours, reducing electricity expenses up to 30%. It provides dual functionality; providing task and ambient lighting that the user can modify according to personal use with a tangible interaction of rotating knob. The expandable track can be mounted either horizontally or vertically on the wall, allowing more than one module to be connected to the same power supply. The DUOL app makes the modules connected throughout the residential space giving the user smart control of the lighting.